chemical reagents, lytic reagents, bacteriostatic reagents, fungicidal reagents, enzyme reagents, rinsing reagents, water-based additive reagents, electrolytic reagents, isotypic reagents and cleaning reagents all for use with hematology, cytological, particulate, virological and/or chemical analytical automated and semi-automated study and analysis instruments, machines and systems used in diagnostic, industrial, biological, and cytology laboratories all for scientific or research use; monoclonal antibodies and antigens for diagnostic, scientific, or research use; reagents, diluents and buffers as packaged in ready-to-use dispensing packages for scientific or research use; cell markers used as reagents for diagnostic, scientific, or research use; dyes and stains for microscopic specimen slides and flow cytometry used in diagnostic or scientific research; microspheres, fluoroscopes and monodispersed particles for use as standards, calibrators and carrier receptor sites employed with cytology and particle study and analysis instruments and systems used in the biological, industrial, and/or academic fields for scientific or research use; whole blood hematology reference control solutions for calibration in electronic particle laboratory analysis for diagnostic, scientific or research use; diluents, standards, stabilizers, buffers, reference control compositions, immersion oil, sheath fluids and wetting fluids for scientific and research use; diagnostic laboratory reagents for hemoglobin testing for scientific and research use; reagents for use with automatic chemical analysis instruments in biological, chemical, industrial, and clinical laboratories for scientific or research use; and cell markers for diagnostic and research use

blood anti-coagulants for medical laboratory use; monoclonal antibodies and antigens for use with monoclonal antibodies for medical laboratory use; monoclonal antibodies and antigens for in vitro diagnostic use; human blood cells that have been lyophilized for use as control cells for use in medical laboratories; monoclonal assay kits comprising monoclonal antibody coated multi-well microtiter plate, uncoated strips, plate covers, lyse buffer, individual vials of antigen reagent, CH-biotin lyophilized reagent, normal human serum, streptavidin conjugated to horseradish peroxidase, gentamycin and thimeerosal reagent, buffer reagents, diluent reagents, and stopping reagents for medical laboratory research use; retrovirology kit comprising vial antigen neutralizing reagent and vial negative neutralizing control for medical laboratory use; enzyme immunoassay kits comprising peptide coated multiwell microtiter plate and vials of necessary reagents for effecting color change reactions with the antibodies to be studied for medical laboratory use; whole blood lyophilizing comprising individual containers of immunolyse reagent, of fixative reagent, of stabilizer reagent and of buffered saline solution for cell suspension preparation of whole blood and bone marrow aspirate studies for medical laboratory use; kits for calibrating and/or control of in vitro diagnostic electronic hematology analysis instruments comprising vials of reference calibrator and/or control reagents for medical laboratory use; kits for making peripheral blood smears for blood cell differentiation for laboratory use manually or with in vitro diagnostic hematology instruments, said kit comprised primarily of bottles of dye reagents, rinsing reagents and buffer reagents for medical laboratory use; and kit for blood sample collection comprising capillary tubes with reagents for use in diluting and lysing blood specimens for in vitro diagnostic use

electronic and/or optical particle counting, sizing, classifying, differentiating and identifying study and analytical apparatus for use in clinical, biological, industrial, medical research use and/or academic scientific research and commercial laboratories; data recording, plotter and/or printer apparatus for use with electronic and/or optical particle study apparatus and instruments; colorimetric apparatus for hematology analysis with and without differential analysis capability; cytometry study and analytical apparatus and instruments for biological, medical, and clinical research laboratories; data management systems, namely computer software and computer hardware, computer monitors computer keyboards all for use interfacing with analyzing apparatus and instruments, computer peripheral equipment; flow cytometers for medical research use; flow cells for medical research use; automatic laboratory sample handling devices; laboratory liquid sample agitating and/or mixing devices; laboratory multichannel particle size analyzer apparatus; laboratory sample preparation work stations comprising fluidic delivery apparatus, sample tubes, bottles, pumps, conduits (tubing), and air pressure system; sample holder transport apparatus and sample loading apparatus for use in chemical, hematological, cytometry and diagnostic analysis in the fields of biological research, chemical research, clinical research, industrial research, medical research and laboratory use; analytical apparatus for particle sizing by laser diffraction; laser diffraction and polarization intensity scattering and differential scattering instruments and apparatus for dry powder and water analysis; gas-sorption, physisorphtion and chemisorption analytical apparatus for laboratory use; liquid contamination monitors for laboratory use; pore size and surface area analytical analysis apparatus for laboratory use; microscopic slide preparation apparatus for laboratory use; microscopic slide study and/or slide staining apparatus for laboratory use; photon correlation spectroscopy instruments for laboratory use; very fine particle counting, sizing, differentiation and characterizing apparatus employing electronic and/or optical means and parts therefor; computer controlled chemical analysis apparatus for quantitative analysis of a sample with respect to its component ingredients and/or monitoring chemical reactions, and parts for use therewith; automatic, semi-automatic and manually operated liquid sample diluting apparatus for diluting biological fluids; semi-automated clinical analyzer for determining white cell count and hemoglobin concentration in the fields of hematology and flow cytometry; timer for monitoring multiple laboratory analyses; laboratory spectrophotometer; signal processing equipment for analyzing light scatter signals for particle classification studies; single and multi-angle laser spectrometer for particle analysis; centrifuges for laboratory use; computer software programs for use with particle analyzing systems; sample vials and reagent vial for use with electronic and/or optical particle analyzing equipment; computer for use with multi-parameter biological cell sorter instrument; calibrated pipettes; liquid sample laboratory agitating and mixing machine; bar code labeling system comprising labels, label dispensers and bar code readers for use with analytical instruments; software for use with DNA and immunology analyses; microplate readers and microplate washers for use in retrovirology; computer-operated stand alone work stations and software therefor for microcomputer system which comprises a computer, disk drives, disk and computer interfaces, computer programs, printer and appropriate cables designed to interface with industrial particle counters and analyzers, and biomedical laboratory instruments; turntables for chemical and biological analysis apparatus in the fields of hematology and flow cytometry; microscope slide handling equipment for laboratory use; plasma tubes for laboratory use; optically transmissive cuvettes; reagent-dispensing devices for use with chemical and/or biological analytical apparatus; transducers for electronic particle study and/or analyzing systems; fluid sampling, transfer and delivery valves for particle study and/or analyzing systems; fluid sampling, transfer and delivery valves for particle study and analyzing apparatus; pinch valves and fluid pumps for analytical laboratory use; liquid filter apparatus and filters therefor particularly for laboratory use; laboratory glassware, pumps, valves, cap-piercers and tubing for use with particle study and analyzing instruments and chemical analyzing instruments and systems; and demonstration videos featuring information in the field of hematology, particle analysis, cytology, instrumentation and related biological, medical, clinical, industrial and applications technology

newsletter dealing with in vitro diagnostic hematology instruments and reagents; instruction manuals, operating manuals and service manuals for particle study and analyzing instruments; instruction manuals, operating manuals and service manuals for scientific instruments; product catalogs in the fields of particle study and analysis, hematology, cytology, instrumentation and related biological, medical, clinical, industrial and applications technology; customer oriented periodically issued newsletter in the fields of particle study and analysis, hematology, cytology, instrumentation and related biological, medical, clinical, industrial and applications technology; periodically issued corporate newsletter dealing with matters of corporate employee interest in the field of particle study and analysis, hematology, cytology, instrumentation and related biological, medical, clinical, industrial and applications technology, corporate activities and policies and employee activities; analytical results print-out tickets; printed patient report forms; recorder paper for data recording

operating multistate technology and support service providing for repair of particle study and analysis instruments, cytometry instruments, hematology instruments, accessories and components thereof, in the medical, biological, industrial, clinical laboratory and research fields; operating multistate technology and support service for maintenance of particle study and analysis instruments, cytometry instruments, hematology instruments, accessories and components thereof

conducting educational programs, namely seminars in the fields of particle study and analysis, hematology, cytometry and chemical analysis instrumentation; conducting training programs in the use and maintenance of particle study, clinical, hematology and cytometry instruments and systems, clinical and diagnostic instrumentation and techniques; preparation and distribution of educational and training literature used in connection therewith

operating diagnostic service for particle analyzing and sizing machines for use in medical, biological, clinical and industrial fields, the machines being located at a site remote from the diagnostic system; operating testing laboratory service facilities for analzying and evaluating particulate materials