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SAWYER S INC

Overview
  • Total Patents
    55
About

SAWYER S INC has a total of 55 patent applications. Its first patent ever was published in 1950. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets optics, furniture and games and machines are CINERAMA CAMERA CORP, ALOIS HANDLER and GOKOU INTERNATL CORP KK.

Patent filings in countries

World map showing SAWYER S INCs patent filings in countries
# Country Total Patents
#1 United States 26
#2 Canada 9
#3 Germany 6
#4 United Kingdom 6
#5 Switzerland 4
#6 France 4

Patent filings per year

Chart showing SAWYER S INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Gordon N 16
#2 Paulsohn Lester H 6
#3 Kurz Karl F 3
#4 Merrick Maurice J 3
#5 Golden Kenneth E 3
#6 Oleg Szymber 2
#7 Romrell Clarence L 2
#8 Inc Sawyer S 2
#9 Gruber Wilhelm B 1
#10 Gordon N Smith 1

Latest patents

Publication Filing date Title
FR1472631A Slide projector and film holder for it
FR1475979A Switch and circuit for it
US3261308A Collapsible stand
US3315621A Stand or the like
FR1359984A Slide projector
GB972947A Improvements in or relating to slide projectors
US3218745A Photographic toy gun
US3176581A Still picture projector
US3145253A Collapsible plastic stereoscopic viewer
US3018686A Tachistoscope
US3005378A Folded plastic stereoscopic viewer
US2916964A Device for feeding discs in projectors, viewers, and the like
US2776597A Lens capsule and lens mounting assembly
US2834251A Stereoscopic viewer and rectangular view mounting card
US2753759A View indicator for stereo projector
US2713015A Method of manufacturing holder for stereo-paired transparencies
GB721089A An optical projector for stereoscopic transparencies in disc-type holders
US2764911A Reel advancer for projector
GB736611A Improvements in stereoscopic photographic cameras
US2730024A Portrait attachment for stereoscopic cameras