Inventor · disambiguated record

Dewitt Paul Smith

Also filed as: SMITH DEWITT PAUL

2 granted patents·50 citations·filing 1975–1977

64Inventor score

Technology areasH04M

Files withBELL TELEPHONE LABOR INC2

Top patents by PatentIndex Score

2 records

0179US4007335ATelephone line battery feed circuitBELL TELEPHONE LABOR INC·Filed 1975·Granted Feb 8, 1977·33 cites·11 claims
0273US4056691ATelephone subscriber line circuitBELL TELEPHONE LABOR INC·Filed 1977·Granted Nov 1, 1977·17 cites·12 claims

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