Inventor · disambiguated record

Randy J. Billinger

Also filed as: BILLINGER RANDY J

2 granted patents·188 citations·filing 1987–1987

70Inventor score

Technology areasH04Q

Files withAMERICAN TELEPHONE & TELEGRAPH2

Top patents by PatentIndex Score

2 records

0184US4769834AInter-exchange carrier accessAMERICAN TELEPHONE & TELEGRAPH·Filed 1987·Granted Sep 6, 1988·103 cites·6 claims
0281US4799255ACommunication facilities access control arrangementAMERICAN TELEPHONE & TELEGRAPH·Filed 1987·Granted Jan 17, 1989·85 cites·5 claims

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Randy J. Billinger — Patent Inventor | PatentIndex