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GEORGE FRINK SPENCER

Overview
  • Total Patents
    23
About

GEORGE FRINK SPENCER has a total of 23 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are AMERICAN ELECTRIC CORD INC, LIGHT BOY CO LTD and OLIER HENRY D JR.

Patent filings in countries

World map showing GEORGE FRINK SPENCERs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing GEORGE FRINK SPENCERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Spencer William H 18
#2 Carlstedt John A 3
#3 Meyer Julius 2
#4 Storm Herbert C 1
#5 Merritt Willard A 1
#6 Holmes James T 1

Latest patents

Publication Filing date Title
US1341681A Dirigible lamp
US1206477A Electric lamp.
US1148341A Illuminated sign.
US1146361A Illuminated sign.
US1124544A Display lighting apparatus.
US1034077A Illuminating device.
US1030910A Ventilated reflector.
US1008661A Ventilated reflector.
US1034041A Illuminating device.
US996154A Illuminating device.
US1007498A Illuminating device.
US990400A Reflecting fixture or chandelier.
US924289A Electrolier and reflector therefor.
US927818A Supporting-socket for reflectors.
US929336A Reflector and lamp-receiving socket therefor.
US924698A Combined support and socket for reflectors.
US927011A Reflector.
US830258A Combined reflector and cluster-frame.
US832280A Reflector-shade.
US816756A Combined reflector and socket hood.