Inventor · disambiguated record
Douglas S. Pearmain
Also filed as: PEARMAIN DOUGLAS S
4 granted patents·228 citations·filing 1988–1992
82Inventor score
Top patents by PatentIndex Score
4 records- 0195US4866898AFire resistant expansion jointMANVILLE CORP·Filed 1988·Granted Sep 19, 1989·120 cites·6 claims
- 0278US4848044AExpansion joint coverMANVILLE CORP·Filed 1988·Granted Jul 18, 1989·51 cites·9 claims
- 0377US4977719AFire resistant expansion jointLAROCHE ALLAN R·Filed 1989·Granted Dec 18, 1990·46 cites·8 claims
- 0433US5269110AFlexible closure system for use in building constructionSCHULLER INT INC·Filed 1992·Granted Dec 14, 1993·11 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →