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QUADRUM TELECOMMUNICATIONS INC

Overview
  • Total Patents
    39
About

QUADRUM TELECOMMUNICATIONS INC has a total of 39 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, control and machines are PETER GYSBERT THOMAS DE VILLIE, DIRECTIA JUDETEANA DE POSTA SI and SODECO SA.

Patent filings per year

Chart showing QUADRUM TELECOMMUNICATIONS INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Mcgough Gerald B 22
#2 Faes Steven Michael 10
#3 Mcginty Joseph R 8
#4 Evans Paul M 5
#5 Grantland Gary 2
#6 Distler Gregory Lee 2
#7 Heathershawn Eugene Gray 2
#8 Bass Charles J 2
#9 Stanford Timothy M 1
#10 Distler Gregory L 1

Latest patents

Publication Filing date Title
WO9956453A1 Large capacity coin receptacle for pay telephones
AU1451099A Plastic coin receptacle for pay telephones
WO9856161A1 Telephone housing with large capacity vault
AU7140398A Pay telephone with large capacity coin path
US5887053A Coin return anti-stuffing apparatus and method
AU4647097A Coin return anti-stuffing apparatus and method
WO9815109A2 Coin receptacle cover for pay telephones
US6047065A Coin receptacle cover for pay telephones
WO9805156A2 Coin escrow apparatus for pay telephones
US5737401A Full coin box signalling device for use with coin telephones
US5676232A Coin chute trigger assembly for pay telephones with microswitches
US5709294A Non-jamming coin chute trigger assembly for pay telephones
US5418851A Shock preventing telephone handset for paystation
US5155765A Telephone paystation lower housing armor
US5193113A Protective plate for paystation anti-stuffing device
US5084613A Electronic circuit for telephone paystation coin operated trigger
US5134654A High security upper housing shield for telephone paystation
US5058966A Vault liner for use in coin telephones
US5086465A Armored telephone cord retention bracket
US5064116A Coin hopper relay