Inventor · disambiguated record
Donald E. Campbell
Also filed as: CAMPBELL DONALD E · CAMPBELL DONALD E K
3 granted patents·1 pending application·245 citations·filing 1976–2007
78Inventor score
Top patents by PatentIndex Score
4 records- 0184US5327500ACerumen barrier for custom in the ear type hearing intrumentsCAMPBELL DONALD E K·Filed 1992·Granted Jul 5, 1994·125 cites·11 claims
- 0279US4991265ACord tie deviceBEST SHOT·Filed 1989·Granted Feb 12, 1991·82 cites·20 claims
- 0375US4061202AHunting standCAMPBELL DONALD E·Filed 1976·Granted Dec 6, 1977·38 cites·2 claims
- 0443US2010171826A1Method for measuring retail display and complianceSTORE EYES INC·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →