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POLY CHOKE COMPANY INC

Overview
  • Total Patents
    14
About

POLY CHOKE COMPANY INC has a total of 14 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets weapons, machines and packaging and shipping are LIVTSCHAK JOSEF, KARL AUGUST BRAEUNING and YOUNG NICHOLAS E.

Patent filings in countries

World map showing POLY CHOKE COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Germany 1
#3 France 1

Patent filings per year

Chart showing POLY CHOKE COMPANY INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Grahn Arne Y 5
#2 Groover Lauren F 2
#3 Welles Steane Herbert 2
#4 Grahn Arne Yngve 1
#5 Compa Hartford National Bank A 1
#6 Grant Richard F 1
#7 Conant Richard W 1
#8 Burnam White Madge 1

Latest patents

Publication Filing date Title
US4000574A Rib for handgun
US3166865A Gun choke
US3142125A Ejector for shotgun
US3138889A Auxiliary gun barrel
US3016613A Ventilated rib structure for gun barrels
US2994313A Target traps
US2968111A Adjustable gun choke
US2972829A Automatically adjustable choke for shotguns
US2864194A Manually and automatically adjustable choke for shotguns
US2911724A Gun sight
US2828569A Choking device for firearms
US2768743A Sorting devices for blanks or workpieces