Assignee
METROFONE INC
US4 patents
Top patents by PatentIndex Score
US4737975AApr 12, 1988
Programmable system for interfacing a standard telephone set with a radio transceiver
METROFONE INC304 citations97
US4922517AMay 1, 1990
System for interfacing a standard telephone set with a radio transceiver
METROFONE INC217 citations96
US4775997AOct 4, 1988
System for interfacing a standard telephone set with a radio transceiver
METROFONE INC276 citations96
US4658096AApr 14, 1987
System for interfacing a standard telephone set with a radio transceiver
METROFONE INC301 citations96