Learn more

INTERNAT TELEPHONE DEV CO INC

Overview
  • Total Patents
    15
About

INTERNAT TELEPHONE DEV CO INC has a total of 15 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States. Its main competitors in its focus markets measurement, telecommunications and basic communication technologies are BYKOV ANDREJ VIKTOROVICH, TERMA AS and NAVSYS CORP.

Patent filings in countries

World map showing INTERNAT TELEPHONE DEV CO INCs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing INTERNAT TELEPHONE DEV CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Andrew Alford 5
#2 Joachim Goldmann 3
#3 Kolster Frederick A 2
#4 Rote Melvin A 1
#5 Wendell Edward N 1
#6 Kandoian Armig G 1
#7 Barnum Hoffman Ross 1
#8 Klein Norman E 1

Latest patents

Publication Filing date Title
US2280514A Single line guiding beacon
US2241883A Direction finder arrangement
US2272608A Antenna matching structure
US2276879A High frequency oscillator
US2270401A Radio beacon shielding arrangement
US2232043A Radio communication system
US2241897A Variable frequency radio beacon
US2272997A Landing beacon system
US2244756A Modulation system
US2251997A Directional radio system
US2259124A Four-course beacon
US2212238A Ultra short wave course beacon
US2212230A Airplane guiding beacon
US2229733A Antenna structure
US2236102A High frequency wave transmission system