Inventor · disambiguated record
Clifford Duff
Also filed as: DUFF CLIFFORD · DUFF CLIFFORD C
4 granted patents·25 citations·filing 1977–2016
71Inventor score
Top patents by PatentIndex Score
4 records- 0149US4328368AMethod for reclaiming polyurethane foamGEN MOTORS CORP·Filed 1980·Granted May 4, 1982·11 cites·3 claims
- 0247US4082366AFeeding apparatus for lightweight plastic particles into a high pressure reactorGEN MOTORS CORP·Filed 1977·Granted Apr 4, 1978·10 cites·1 claims
- 0338US9520642B2Pneumatic non-locking low-profile telescoping mastsBLACKWELDER PAUL BRADFORD·Filed 2016·Granted Dec 13, 2016·0 cites·16 claims
- 0433USD677827SMulti-sided light emitting diode displayDUFF CLIFFORD·Filed 2011·Granted Mar 12, 2013·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →