Assignee
AIRTOUCH COMMUNICATIONS
US·2 granted patents·311 citations·filing 1991–1993
Top patents by PatentIndex Score
2 records- 0193US5420910AMehtod and apparatus for fraud control in cellular telephone systems utilizing RF signature comparisonAIRTOUCH COMMUNICATIONS·Filed 1993·Granted May 30, 1995·244 cites·16 claims
- 0278US5349631AInbuilding telephone communication systemAIRTOUCH COMMUNICATIONS·Filed 1991·Granted Sep 20, 1994·67 cites·22 claims
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