Inventor · disambiguated record
James W. Mcduffie
Also filed as: MCDUFFIE JAMES W
6 granted patents·259 citations·filing 1974–1983
87Inventor score
Top patents by PatentIndex Score
6 records- 0193US4266392AHeader cutting angle adjustment mechanismSPERRY CORP·Filed 1979·Granted May 12, 1981·79 cites·22 claims
- 0290US4266391AHeader attachment mechanism for combinesSPERRY CORP·Filed 1979·Granted May 12, 1981·63 cites·40 claims
- 0377US3971390AStone trap for threshing and separating machineSPERRY RAND CORP·Filed 1974·Granted Jul 27, 1976·32 cites·13 claims
- 0476US4327544AVariable speed indicator for combineSPERRY CORP·Filed 1981·Granted May 4, 1982·29 cites·5 claims
- 0575US4372103ACombine drive belt shieldingSPERRY CORP·Filed 1980·Granted Feb 8, 1983·29 cites·10 claims
- 0672US4467590ADrive reversing mechanismSPERRY CORP·Filed 1983·Granted Aug 28, 1984·27 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →