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UNIVERSAL HIGH POWER TELEPHONE COMPANY

Overview
  • Total Patents
    12
About

UNIVERSAL HIGH POWER TELEPHONE COMPANY has a total of 12 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United States and Canada. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and basic communication technologies are DAHLBERG ELECTRONICS, POENSGEN KARL OTTO and FARRAND INDUCTOR CORP.

Patent filings in countries

World map showing UNIVERSAL HIGH POWER TELEPHONE COMPANYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 2

Patent filings per year

Chart showing UNIVERSAL HIGH POWER TELEPHONE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hackett Paul J 5
#2 Farrar Horace J 2
#3 Hoyt Fred 2
#4 Pearson Miles E 1
#5 Mcgonigle Charles W 1
#6 Williams Cassius M 1

Latest patents

Publication Filing date Title
CA175098A Transmitter diaphragm
US1261391A Telephone-diaphragm.
US1274035A Differential microphone.
US1253656A Audiphone.
US1199176A High-power radio apparatus.
CA169431A Sound and light amplifier
US1134059A Sound-transmitting apparatus.
US1156867A Universal sound-transmitting means.
US1149822A Sound-amplifying device.
US1156865A Sound and light amplifier.
US1149979A Universal sound-transmitting means.
US1199196A Sound-transmitting device.