Inventor · disambiguated record
Frank J. Sordello
Also filed as: DARRAH EDWARD R · SORDELLO FRANK J
10 granted patents·214 citations·filing 1974–1988
91Inventor score
Top patents by PatentIndex Score
10 records- 0195US4188646ASectorized data path following servo systemSPERRY CORP·Filed 1978·Granted Feb 12, 1980·68 cites·22 claims
- 0287US4006394ACoarse and fine control for position servoINFORMATION STORAGE SYSTEMS·Filed 1974·Granted Feb 1, 1977·40 cites·4 claims
- 0376US4612586AMethod for measuring timing asymmetry in a magnetic storage systemMEMOREX CORP·Filed 1984·Granted Sep 16, 1986·20 cites·8 claims
- 0471US4285015AMethod and apparatus for locating a movable servo controlled member during position signal drop-outSPERRY CORP·Filed 1979·Granted Aug 18, 1981·15 cites·16 claims
- 0566US4122501ASystem for recording and reading back data on a recording mediaSPERRY RAND CORP·Filed 1976·Granted Oct 24, 1978·12 cites·2 claims
- 0665US4796109AMethod for testing components of a magnetic storage systemUNISYS CORP·Filed 1988·Granted Jan 3, 1989·15 cites·14 claims
- 0763US4184108ASelf-regulating electronic tachometerSPERRY RAND CORP·Filed 1977·Granted Jan 15, 1980·18 cites·31 claims
- 0863US4051423AServo system with feedback signal compensationSPERRY RAND CORP·Filed 1976·Granted Sep 27, 1977·16 cites·10 claims
- 0944US4581664ADisk accessing circuitryMEMOREX CORP·Filed 1983·Granted Apr 8, 1986·5 cites·7 claims
- 1041US4003000ASinusoidal oscillator with electronically variable frequencySPERRY RAND CORP·Filed 1975·Granted Jan 11, 1977·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →