Inventor · disambiguated record
Townsend H. Porter, Jr.
Also filed as: PORTER JR TOWNSEND H · PORTER JR TOWNSEND HENRY · PORTER TOWNSEND H JR
5 granted patents·234 citations·filing 1974–1988
84Inventor score
Files withIBM5
Top patents by PatentIndex Score
5 records- 0195US4149207ACartridge and flexible magnetic disk assemblyIBM·Filed 1977·Granted Apr 10, 1979·79 cites·20 claims
- 0292US4157577ARotatable storage apparatus with digitally responsive circuitry for track selectionIBM·Filed 1977·Granted Jun 5, 1979·50 cites·33 claims
- 0385US4970609AClocking method and apparatus for use with partial response coded binary dataIBM·Filed 1988·Granted Nov 13, 1990·81 cites·29 claims
- 0472US3991389ADigital frequency shift key modulatorIBM·Filed 1974·Granted Nov 9, 1976·20 cites·2 claims
- 0542US3949951ATape cartridge driveIBM·Filed 1974·Granted Apr 13, 1976·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →