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GRAY TELEPHONE PAY STATION COM

Overview
  • Total Patents
    25
About

GRAY TELEPHONE PAY STATION COM has a total of 25 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and Canada. Its main competitors in its focus markets telecommunications, control and machine tools are HALL FREDERICK WILLIAM, MOSER OTTO and PROTEL INC.

Patent filings in countries

World map showing GRAY TELEPHONE PAY STATION COMs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 3

Patent filings per year

Chart showing GRAY TELEPHONE PAY STATION COMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Long George A 24
#2 Long William W 2
#3 Long George Alexander 1

Latest patents

Publication Filing date Title
US2109864A Coin collection box
US2067852A Dial telephone pay station
US2038496A Coin gauge
US2104620A Machine for forming coin gauges
US2003946A Telephone toll apparatus
US2026983A Coin hopper for telephone toll collecting apparatus
US1998410A Telephone toll collecting apparatus
US2033773A Backplate for telephone sets
US1967993A Coin channel plate
US2043201A Telephone toll apparatus
US2040792A Coin collecting mechanism base
US2032063A Telephone pay station apparatus
US1994452A Telephone toll collecting box and method of construction thereof
US1984976A Telephone pay station
US1886409A Coin controlled actuating device
US1888956A Method of forming telephone pay station boxes
US1977884A Telephone toll collecting apparatus
US1889737A Telephone direction plate
US1609373A Machine for cutting slots in key blanks
US1532706A Telephone pay station