Inventor · disambiguated record
James R. Erspamer
Also filed as: ERSPAMER JAMES R
6 granted patents·177 citations·filing 1974–1978
85Inventor score
Files withSPERRY RAND CORP6
Top patents by PatentIndex Score
6 records- 0191US4143467ASemi-automatic self-contained magnetic azimuth detector calibration apparatus and methodSPERRY RAND CORP·Filed 1978·Granted Mar 13, 1979·73 cites·29 claims
- 0286US3931747AGyroscopic stable reference deviceSPERRY RAND CORP·Filed 1974·Granted Jan 13, 1976·43 cites·8 claims
- 0380US3992951ACompensated toroidal accelerometerSPERRY RAND CORP·Filed 1975·Granted Nov 23, 1976·36 cites·7 claims
- 0466US3938257ATwo-cycle compensator for flux valve heading repeater systemSPERRY RAND CORP·Filed 1974·Granted Feb 17, 1976·15 cites·7 claims
- 0544US3939572ALatitude compensator for flux valve heading repeater systemSPERRY RAND CORP·Filed 1974·Granted Feb 24, 1976·6 cites·3 claims
- 0638US3942257AIndex error correction for flux valve heading repeater systemSPERRY RAND CORP·Filed 1974·Granted Mar 9, 1976·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →