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FROST ELLIS F

Overview
  • Total Patents
    11
About

FROST ELLIS F has a total of 11 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, consumer goods and audio-visual technology are SUN ELECTRIC MFG COMPANY, INTELLICALL INC and HELLO DIRECT INC.

Patent filings in countries

World map showing FROST ELLIS Fs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing FROST ELLIS Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frost Ellis F 11

Latest patents

Publication Filing date Title
US1562221A Method of and means for producing sound
US1243280A Electric action for organs.
US1228899A Electric action for organs.
US790427A Bandage-roller.
US699162A Telephone-circuit system.
US674862A Telephone-switchboard.
US674964A Telephone-circuit system.
US674861A Telephone-circuit system.
US674860A Telephone-circuit system.
US637453A Telephone-transmitter.
US627930A Kinetoscope.