Individual holder
BALCH DUANE C
3 granted patents·1 pending application·58 citations·filing 1979–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0182USD525163SCross pendantBALCH DUANE C·Filed 2005·Granted Jul 18, 2006·34 cites·1 claims
- 0254US4231544ALocking crankcase drain valve assemblyBALCH DUANE C·Filed 1979·Granted Nov 4, 1980·13 cites·5 claims
- 0346US2009011379A1Combustion initiatorBALCH DUANE C·Filed 2007·Application pending·0 cites
- 0445US4298182ALocking fluid valveBALCH DUANE C·Filed 1980·Granted Nov 3, 1981·11 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →