ALLIANCE RESEARCH CORPORATION

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5651052 Apparatus and method for incoming call detection and alarm circuitry for cellular telephonesExpiredMar 03, 95Jul 22, 97[H04Q]
5386455 System and method for automatic activation of cellular telephonesExpiredJan 04, 94Jan 31, 95[H04M]
D351586 Battery charger for cellular phone batteriesExpiredFeb 10, 92Oct 18, 94[]
D350726 Battery charger for cellular phone batteriesExpiredFeb 11, 92Sep 20, 94[]
5298907 Balanced polarization diversified cellular antennaExpiredJun 29, 92Mar 29, 94[H01Q]
D344709 Alternate power supply adapter for a battery-operated radio telephoneExpiredFeb 11, 92Mar 01, 94[]
D332609 Cellular antennaExpiredNov 27, 90Jan 19, 93[]
5181043 Passive repeater for cellular phonesExpiredDec 20, 91Jan 19, 93[H01Q]
D329240 Communications antennaExpiredJun 11, 90Sep 08, 92[]
5122063 Adjustable electrical connectorExpiredFeb 06, 91Jun 16, 92[H01R]
D325385 Cellular antennaExpiredMar 13, 89Apr 14, 92[]
D325384 Cellular antennaExpiredMar 13, 89Apr 14, 92[]
D324865 Adjustable support for a cellular telephone or the likeExpiredSep 01, 89Mar 24, 92[]
D320393 Cellular antennaExpiredJul 17, 89Oct 01, 91[]
D320394 AntennaExpiredNov 13, 89Oct 01, 91[]
D320395 Cellular antennaExpiredApr 10, 89Oct 01, 91[]
D320396 Cellular antennaExpiredApr 10, 89Oct 01, 91[]
D310224 Hinged communications antennaExpiredOct 07, 88Aug 28, 90[]
D310084 Coupling block for a glass mounted antennaExpiredJul 05, 88Aug 21, 90[]
D309141 Communications antennaExpiredOct 07, 88Jul 10, 90[]

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