Inventor · disambiguated record
Douglas D. Campbell
Also filed as: CAMPBELL DOUGLAS D
3 granted patents·940 citations·filing 1977–1985
79Inventor score
Files withMINNESOTA MINING & MFG3
Top patents by PatentIndex Score
3 records- 0195US4293604AFlocked three-dimensional network matMINNESOTA MINING & MFG·Filed 1980·Granted Oct 6, 1981·840 cites·11 claims
- 0292US4190550ASoap-filled padMINNESOTA MINING & MFG·Filed 1977·Granted Feb 26, 1980·82 cites·6 claims
- 0359US4587148AFlocked floor mat with foraminous layerMINNESOTA MINING & MFG·Filed 1985·Granted May 6, 1986·18 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →