INC INTEGRATED NETWORK CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
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
RE36228 Call progress capability for a switched channel data service unitOct 21, 93Jun 15, 99[H04M]
5473329 Performance monitoring for loopsJan 26, 95Dec 05, 95[H03M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5784558 Method and apparatus for testing of extended ISDN BRI serviceExpiredApr 26, 96Jul 21, 98[H04L, H04J]
5748637 DTMF signaling on four-wire switched 56 KBPS linesExpiredOct 06, 95May 05, 98[H04M, H04J]
5726986 Digital communication system with intelligent channel unitsExpiredMay 24, 95Mar 10, 98[H04J]
5553059 Network interface unit remote test pattern generationExpiredMay 26, 95Sep 03, 96[H04J]
5457690 DTMF Signaling on four-wire switched 56 Kbps LinesExpiredJan 03, 94Oct 10, 95[H04M, H04J]
5434866 Digital communication system with intelligent channel unitsExpiredSep 09, 93Jul 18, 95[H04L, H04J]
5394145 Performance monitoring for loopsExpiredMar 11, 93Feb 28, 95[H03M]
5285450 Inband communications in a digital communications systemExpiredMar 27, 92Feb 08, 94[H04J]
5113391 Intelligent channel unitExpiredJul 20, 90May 12, 92[H04J]
5060259 Call progress capability for a switched channel data service unitExpiredAug 28, 90Oct 22, 91[H04M]
5058129 Two-wire digital transmission loopExpiredOct 11, 89Oct 15, 91[H04B]
5025443 Digital data over voice communicationExpiredApr 28, 89Jun 18, 91[H04J]
5014307 Method and apparatus for echo canceler disablementExpiredNov 14, 89May 07, 91[H04M]
4995076 Call progress capability for a switched channel data service unitExpiredFeb 09, 90Feb 19, 91[H04M]
4953160 Digital data over voice communicationExpiredFeb 24, 88Aug 28, 90[H04J]
4887278 Equalizer for digital transmission systemsExpiredSep 23, 87Dec 12, 89[H04B]
4862480 Digital data service systemExpiredApr 09, 87Aug 29, 89[H04L]
4849972 Digital data communications terminal and modules thereforExpiredJul 31, 87Jul 18, 89[H04J]
4745622 Equalizer for digital transmission systemsExpiredJul 29, 86May 17, 88[H04B, H03F]

Top Inventors for This Owner

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