PAGEMART, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 3207
 
  
 
H04Q SELECTING 3107
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 292
 
  
 
H04M TELEPHONIC COMMUNICATION 1162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5706211 Message communications systemMar 02, 95Jan 06, 98[G08B, H04Q]
5635918 Method and apparatus for controlling message delivery to wireless receiver devicesMar 16, 95Jun 03, 97[G08B, H04Q]
5604788 Wireless messaging system with electronic mail replicationMar 16, 95Feb 18, 97[H04M, H04Q]
5548814 Personal information management system with paging linkOct 28, 92Aug 20, 96[H04B]
5423056 Adaptive cellular paging systemMay 02, 94Jun 06, 95[H04B]
5361399 Adaptive communication system for transmitting between base stations and portable transceivers via different data rate communication linksJun 02, 92Nov 01, 94[H04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5603091 Paging system with separate transmission paths for control and dataExpiredOct 17, 94Feb 11, 97[H04Q, H04B]
5483665 Simulcast satellite paging system with over lapping paging reception localesExpiredJun 01, 94Jan 09, 96[H04B]
5355529 Paging system with satellite time baseExpiredAug 24, 93Oct 11, 94[H04B]
5239671 Simulcast satellite paging system with provision for signal interruptionExpiredNov 13, 90Aug 24, 93[H04B]

Top Inventors for This Owner

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