Inventor · disambiguated record
Roger Edward Holtz
Also filed as: HOLTZ ROGER E · HOLTZ ROGER EDWARD
4 granted patents·81 citations·filing 1975–1996
76Inventor score
Technology areasH04M
Top patents by PatentIndex Score
4 records- 0177US4813066ABattery feed circuit for a telephone systemAMERICAN TELEPHONE & TELEGRAPH·Filed 1987·Granted Mar 14, 1989·54 cites·13 claims
- 0262US3963876AAmplifier circuit for increasing transmit and receive levels in a telephone hybrid networkBELL TELEPHONE LABOR INC·Filed 1975·Granted Jun 15, 1976·13 cites·18 claims
- 0338US5943420APower-up system for line-powered telephonesLUCENT TECHNOLOGIES INC·Filed 1996·Granted Aug 24, 1999·14 cites·7 claims
- 0424US4144408ATelephone ringing extenderBELL TELEPHONE LABOR INC·Filed 1978·Granted Mar 13, 1979·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →