DUPLEX
Filed: December 21, 1907
SLIDE-RULES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71031871
POLYPHASE
Filed: June 6, 1913
SLIDE-RULES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71070901
DUPRO
Filed: December 18, 1931
SENSITIZED BLACK PRINT CLOTH
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71322257
INVINCIBLE
Filed: March 22, 1934
MEASURING TAPES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71348984
Image Trademark
Filed: October 31, 1935
DRAWING PENS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71371033
WYTETIP
Filed: November 4, 1935
DRAWING PENS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71371166
DORIC
Filed: May 1, 1947
TRACING PAPER
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71521663
KEUFFEL & ESSER CO.
Filed: July 3, 1947
LIQUID INDELIBLE DRAWING INK, INK FILLER, AND INDIA INKS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71525877
WYTEFACE
Filed: June 3, 1950
MEASURING TAPES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71598534
HANDY
Filed: November 2, 1950
MEASURING TAPES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71605798
SWALLOW
Filed: November 2, 1950
DRAWING AND TRACING PAPERS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71605800
PARAGON
Filed: July 11, 1951
SURVEYING INSTRUMENTS-NAMELY, TRANSITS, LEVELS, [ THEODOLITES, ] ALIDADES, COMPASSES [ AND PARTS; ALSO ACCESSORIES AND ATTACHMENTS…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71616322
PHOENIX
Filed: July 11, 1951
MEASURING TAPES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71616324
ONYX
Filed: February 19, 1953
SENSITIZED PHOTOGRAPHIC PAPERS AND CLOTHS TO MAKE REPRODUCTIONS OF DOCUMENTS AND ENGINEERING DRAWINGS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71642478
Image Trademark
Filed: May 26, 1954
DRAWING PENS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71667127
APOLLO
Filed: May 27, 1955
DRAWING INSTRUMENTS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 71688424
ALBADURE
Filed: October 2, 1956
MEASURING TAPES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72016813
LAMINENE
Filed: November 19, 1956
DRAWING BOARD COVER IN THE FORM OF A PAPER BASE COMBINED WITH A PLASTIC LAYER
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72019463
K-12
Filed: October 17, 1960
SLIDE RULES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72106503
DECILON
Filed: July 3, 1961
SLIDE RULES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72123323
DECI-LON
Filed: August 14, 1961
SLIDE RULES
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72125923
VARI-POINT
Filed: February 15, 1962
PENCIL LEAD POINTERS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72138028
OM OPTICS AND METROLOGY
Filed: April 20, 1962
OPTICAL AND ELECTRO-OPTICAL SYSTEMS AND INSTRUMENTS; SYSTEMS AND INSTRUMENTS FOR MANUFACTURING, INSPECTION, AND QUALITY…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72142716
Image Trademark
Filed: June 11, 1963
PHOTOGRAPHIC EQUIPMENT, CAMERA EQUIPMENT, GRAPHIC INFORMATION (SUCH AS PHOTOGRAPHS, AERIAL PHOTOGRAPHS, GRAPHS, MAPS, AND…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72170754
KEN
Filed: August 24, 1964
REPRODUCTION AND PHOTOGRAPHIC EQUIPMENT, MACHINERY, DEVICES, MATERIALS AND SUPPLIES-NAMELY, TRANSPARENCY AND PHOTOGRAPHIC…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 72200446
PHOTACT
Filed: November 19, 1973
LIGHT-SENSITIVE REPRODUCTION PAPERS, CLOTHS, AND FILMS
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73006817
EAGLE
Filed: October 10, 1978
Optical Surveying Instruments-Namely, Transits, Theodolites, Optical Levels, Automatic Levels, and Transit-Levels
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73188809
SPECTRA
Filed: June 15, 1981
PHOTOIMAGING CHEMICAL PRODUCTS; NAMELY, PHOTOSENSITIZED PAPERS FILMS, AND FOIL; DEVELOPER SOLUTIONS; AND TONERS AND COLORANTS…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73314970
SPECTRA COLOR PROOFING SYSTEM
Filed: June 15, 1981
PHOTOIMAGING CHEMICAL PRODUCTS; NAMELY PHOTOSENSITIZED PAPERS, FILS, AND FOILS;DEVELOPER SOLUTIONS; AND TONER AND COLORANTS…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73314984
SPECTRA COLOR PROOFING SYSTEM
Filed: June 19, 1981
PHOTOIMAGING CHEMICAL PRODUCTS; NAMELY, PHOTOSENSITIZED PAPERS, FILMS, AND FOILS; DEVELOPER SOLUTIONS; AND TONERS AND COLORANTS…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73315545
SPECTRA
Filed: June 19, 1981
PHOTOIMAGING CHEMICAL PRODUCTS; NAMELY, PHOTOSENSITIZED PAPERS, FILMS, AND FOILS; DEVELOPER SOLUTIONS; AND TONERS AND COLORANTS…
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73315546
EAGLE
Filed: November 12, 1982
Optical Surveying Instruments-Namely, Transits, Theodolites, Optical Levels, Automatic Levels, and Transit-Levels
Owned by: KEUFFEL & ESSER COMPANY
Serial Number: 73402538
