VANE-RAIL
Filed: December 23, 1957
MOUNTING FIXTURE USED IN THE FORMATION OF AN AIR TURNING VANE ASSEMBLY
Owned by: DURO DYNE CORPORATION
Serial Number: 72042855
OPAX
Filed: July 21, 1958
BRACKETS USED ON LOUVERS AND LOUVERS MADE THEREFROM FOR AIR CONDITIONING INSTALLATIONS
Owned by: DURO DYNE CORPORATION
Serial Number: 72055655
DURO-DYNE
Filed: April 28, 1960
Air Conditioning, Heating and Ventilating Accessory Parts-Namely, Flexible Duct Connector Stock Strips Packaged in Coils…
Owned by: DURO DYNE CORPORATION
Serial Number: 72095984
ECON-O-FAB
Filed: April 28, 1960
Air Conditioning, Heating, and Ventilating Installation Parts-Namely, Flexible Duct Connector Stock of Strips of Duct Fabric…
Owned by: DURO DYNE CORPORATION
Serial Number: 72095985
METAL-FAB
Filed: April 28, 1960
Air Conditioning, Heating, and Ventilating Installation Parts-Namely, Flexible Duct Connector Stock of Strips of Duct Fabric…
Owned by: DURO DYNE CORPORATION
Serial Number: 72095986
"WEDGE-LOC"
Filed: June 28, 1960
Damper Regulator for Air Conditioners, Ventilators and Heating Ducts, and Parts Therefor
Owned by: DURO DYNE CORPORATION
Serial Number: 72099849
RAPIT
Filed: May 26, 1967
DAMPER REGULATOR FOR AIR CONDITIONERS, VENTILATORS, AND HEATING AND LIKE DUCTED SYSTEMS, AND PARTS THEREFOR
Owned by: DURO DYNE CORPORATION
Serial Number: 72272477
DURO-ZONE
Filed: October 27, 1967
THERMOSTATIC CONTROL UNITS FOR HOT AND COLD AIR SYSTEMS
Owned by: DURO DYNE CORPORATION
Serial Number: 72283512
CLIP-PINS
Filed: May 17, 1971
WELDING STUDS
Owned by: DURO DYNE CORPORATION
Serial Number: 72392236
DURO-DOOR
Filed: April 21, 1977
DUCT CLOSURE FLAP DEVICES FOR USE IN SEALING APERTURES IN AIR CONDUITS AND SOLD TO THE HEATING AND AIR CONDITIONING TRADE…
Owned by: DURO DYNE CORPORATION
Serial Number: 73123524
DUROPRENE
Filed: April 25, 1977
FABRIC FOR CONNECTING ADJACENT ENDS OF AIR CONDITIONING AND HEATING DUCTS SUPPLIED ALONE OR WITH METAL STRIPS ATTACHED TO…
Owned by: DURO DYNE CORPORATION
Serial Number: 73124001
QUIETURN
Filed: May 4, 1978
AIR CONDITIONING AND HEATING DUCTS AND AIR TURNING VANES MADE OF GLASS FIBER AND HARDWARE FOR ASSEMBLING THE SAME
Owned by: DURO DYNE CORPORATION
Serial Number: 73168982
GLASLINE
Filed: May 4, 1978
DAMPERS AND DAMPER REGULATORS AND PARTS THEREOF FOR USE IN HEATING AND AIR CONDITIONING SYSTEMS AND CONTROL HARDWARE AND…
Owned by: DURO DYNE CORPORATION
Serial Number: 73168983
RIB PINS
Filed: September 10, 1984
WELDING STUDS
Owned by: DURO DYNE CORPORATION
Serial Number: 73498705
TRIPOD BANGERS
Filed: September 5, 1986
INPACT FASTENER NAILS FOR SECURING INSULATION TO SHEET METAL
Owned by: DURO DYNE CORPORATION
Serial Number: 73618223
SPECLINE
Filed: September 5, 1986
AIR CONDITIONING AND HEATING APPARATUS, NAMELY, DAMPERS AND PARTS AND FITTINGS THEREFOR; DRIVES, INDICATORS, BEARINGS AND…
Owned by: DURO DYNE CORPORATION
Serial Number: 73618228
PINSPOTTER
Filed: November 20, 1986
ELECTRICAL WELDING APPARATUS, NAMELY RESISTANCE WELDING UNIT FOR THE APPLICATION OF STUDS
Owned by: DURO DYNE CORPORATION
Serial Number: 73631404
PRO POINT
Filed: May 7, 1987
SELF TAPPING MACHINE SCREWS
Owned by: DURO DYNE CORPORATION
Serial Number: 73659289
DYN-O-LITE
Filed: May 7, 1987
HAND-HELD ELECTRIC RESISTANCE WELDERS FOR THE APPLICATION OF WELDING STUDS
Owned by: DURO DYNE CORPORATION
Serial Number: 73659290
INSULFAB
Filed: August 10, 1987
FLEXIBLE DUCT CONNECTOR MATERIAL FOR SEALING THE JOINT BETWEEN DUCT ENDS OF AIR DUCTS
Owned by: DURO DYNE CORPORATION
Serial Number: 73677737
SUPER SABER
Filed: May 2, 1988
SHEET METAL SCREWS
Owned by: DURO DYNE CORPORATION
Serial Number: 73725730
DAGGER POINT
Filed: May 2, 1988
SCREWS
Owned by: DURO DYNE CORPORATION
Serial Number: 73725732
MULTILINE
Filed: September 19, 1988
DAMPERS FOR USE IN AIR CONDITIONING AND AIR HEATING SYSTEMS
Owned by: DURO DYNE CORPORATION
Serial Number: 73752889
DYN-O-TIE
Filed: February 27, 1989
PLASTIC TYING STRAPS - NAMELY, SELF-LOCKING TIES ADAPTED TO ENCIRCLE AND CLAMP HOSES, CONDUITS, DUCTS AND THE LIKE
Owned by: DURO DYNE CORPORATION
Serial Number: 73783305
ROLLABOND
Filed: February 18, 1992
fluid applicator device; namely, electrical pump and applicator for drawing fluid, such as glue, from a container and applying…
Owned by: DURO DYNE CORPORATION
Serial Number: 74246802
S-DOOR
Filed: February 18, 1992
access door for ducts; namely, a metallic closure to be applied to an aperture in an air conditioning duct
Owned by: DURO DYNE CORPORATION
Serial Number: 74246874
DURO VEX
Filed: April 2, 1993
energy recovery ventilator system comprising heat exchange unit and blowers
Owned by: DURO DYNE CORPORATION
Serial Number: 74376237
FLIP STIX
Filed: September 3, 1993
adhesive backed metal fasteners for securing insulation to heating, ventilating and air conditioning ductwork
Owned by: DURO DYNE CORPORATION
Serial Number: 74432021
DYNAFLEX
Filed: April 22, 1998
Vibration isolators, made primarily of metal, for duct work namely, connector material for coupling spaced heating and air…
Owned by: DURO DYNE CORPORATION
Serial Number: 75471995
DYNA-TITE
Filed: May 19, 1999
Duct hanging accessories, namely, metal cable clamps
Owned by: DURO DYNE CORPORATION
Serial Number: 75709620
