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SIMMONS ERNEST P

Overview
  • Total Patents
    12
About

SIMMONS ERNEST P has a total of 12 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States. Its main competitors in its focus markets weapons, machines and machine tools are PATCHETT GEORGE WILLIAM, BOECKER OLOF and BELDING WARREN S.

Patent filings in countries

World map showing SIMMONS ERNEST Ps patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing SIMMONS ERNEST Ps patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Simmons Ernest P 12

Latest patents

Publication Filing date Title
US3291341A Fluid gun for cleaning electric razors
US3250034A Electric gun firing mechanism
US3284905A Sight for shotguns
US3184851A Gun sight
US2920537A Chamber aligning device for splitchamber automatic shotguns
US2869270A Shotgun chamber with cutting edge
US2827728A Gauge adaptor for automatic shotguns
US2711042A Single trigger mechanism for double barrel guns
US2693659A Shotgun barrel with sight rib
US2669052A Sight rib for shotguns
US2620583A Ventilated rib for shotguns
US1732032A Key machine