Assignee
PAGEMART INC
US5 patents
Top patents by PatentIndex Score
US5361399ANov 1, 1994
Adaptive communication system for transmitting between base stations and portable transceivers via different data rate communication links
PAGEMART INC115 citations97
US5239671AAug 24, 1993
Simulcast satellite paging system with provision for signal interruption
PAGEMART INC96 citations96
US5423056AJun 6, 1995
Adaptive cellular paging system
PAGEMART INC64 citations95
US5355529AOct 11, 1994
Paging system with satellite time base
PAGEMART INC34 citations92
US5483665AJan 9, 1996
Simulcast satellite paging system with over lapping paging reception locales
PAGEMART INC16 citations81