Inventor · disambiguated record
Ronald Joseph Angner
Also filed as: ANGNER RONALD J · ANGNER RONALD JOSEPH
5 granted patents·35 citations·filing 1976–1977
78Inventor score
Technology areasH04M
Files withBELL TELEPHONE LABOR INC5
Top patents by PatentIndex Score
5 records- 0167US4039763AKey telephone communication path interfaceBELL TELEPHONE LABOR INC·Filed 1976·Granted Aug 2, 1977·13 cites·9 claims
- 0258US4056695AKey telephone line circuit tone-on-hold arrangementBELL TELEPHONE LABOR INC·Filed 1976·Granted Nov 1, 1977·9 cites·11 claims
- 0349US4057693ALogic control for electronic key telephone line circuitBELL TELEPHONE LABOR INC·Filed 1976·Granted Nov 8, 1977·6 cites·9 claims
- 0443US4145579AKey telephone unit protective couplerBELL TELEPHONE LABOR INC·Filed 1977·Granted Mar 20, 1979·5 cites·5 claims
- 0531US4055731AKey telephone lamp control circuitBELL TELEPHONE LABOR INC·Filed 1976·Granted Oct 25, 1977·2 cites·2 claims
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