Assignee
APM CORP
US6 patents
Top patents by PatentIndex Score
US4555600ANov 26, 1985
Vandal-resistant shield for telephone keypad
APM CORP39 citations92
US4501936AFeb 26, 1985
Protective cover for telephone
APM CORP24 citations81
US4438300AMar 20, 1984
Protective cover for telephone push button array
APM CORP23 citations81
US4436965AMar 13, 1984
Sealing means for telephone cover device
APM CORP26 citations81
USD279898SJul 30, 1985
Telephone cover device
APM CORP7 citations73
USD270910SOct 11, 1983
Telephone cover device
APM CORP5 citations62