Inventor · disambiguated record
James A. Humphrey
Also filed as: HUMPHREY JAMES A
3 granted patents·25 citations·filing 1980–2001
68Inventor score
Top patents by PatentIndex Score
3 records- 0146US6575477B2Quick change true length collet chuck assemblyADVANCED TOOL SYSTEMS INC·Filed 2001·Granted Jun 10, 2003·10 cites·6 claims
- 0237US4368396AReciprocating electric motor with permanent magnetsHUMPHREY JAMES A·Filed 1980·Granted Jan 11, 1983·10 cites·14 claims
- 0332US5112261AReverse boat oarsHUMPHREY JAMES A·Filed 1991·Granted May 12, 1992·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →