Inventor · disambiguated record

Robert A. Trygar

Also filed as: TRYGAR ROBERT A

2 granted patents·130 citations·filing 1986–2007

59Inventor score

Technology areasH04M H04Q

Files withAMERICAN TELEPHONE & TELEGRAPH1 AMPORT CARL W1

Top patents by PatentIndex Score

2 records

0187US4736364ASwitching system control arrangementsAMERICAN TELEPHONE & TELEGRAPH·Filed 1986·Granted Apr 5, 1988·130 cites·12 claims
0231US8681960B2Extending originating capabilities of a subscriber to devices in any telephony networkAMPORT CARL W·Filed 2007·Granted Mar 25, 2014·0 cites·18 claims

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