Inventor · disambiguated record
Keith Coffman
Also filed as: COFFMAN KEITH · COFFMAN KEITH B
4 granted patents·53 citations·filing 1981–2002
74Inventor score
Top patents by PatentIndex Score
4 records- 0180US4640229AApparatus for feeding livestockCHORE TIME EQUIPMENT·Filed 1985·Granted Feb 3, 1987·38 cites·14 claims
- 0250USD295905SBase for a pig feederCHORE TIME EQUIPMENT·Filed 1985·Granted May 24, 1988·6 cites·1 claims
- 0334US6726021B2Stopper debris separatorMERCK & CO INC·Filed 2002·Granted Apr 27, 2004·1 cites·22 claims
- 0432US4421060ANipple watererCHORE TIME EQUIPMENT·Filed 1981·Granted Dec 20, 1983·8 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →