Inventor · disambiguated record
Francis D. Logan
Also filed as: LOGAN FRANCIS D · THOMASON JAMES M
4 granted patents·59 citations·filing 1975–1984
77Inventor score
Files withCAMCO INC4
Top patents by PatentIndex Score
4 records- 0165US4025218ADrilling machineCAMCO INC·Filed 1975·Granted May 24, 1977·24 cites·10 claims
- 0263US4201265ASidepocket mandrel and method of makingCAMCO INC·Filed 1979·Granted May 6, 1980·19 cites·6 claims
- 0350US4553310AIntegrally formed sidepocket mandrelCAMCO INC·Filed 1984·Granted Nov 19, 1985·13 cites·22 claims
- 0430US4018115ASelf-centering steady rest for a machine toolCAMCO INC·Filed 1976·Granted Apr 19, 1977·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →