Inventor · disambiguated record
Donald L. Griffes
Also filed as: GRIFFES DONALD L
3 granted patents·20 citations·filing 1990–1992
65Inventor score
Technology areasF24C
Top patents by PatentIndex Score
3 records- 0140US5285771AMake-up air control system apparatusNEW ENGLAND VENTILATION TECHNO·Filed 1992·Granted Feb 15, 1994·16 cites·4 claims
- 0227USD343700SSpark arrestor apparatusNEW ENGLAND VENTILATION TECH·Filed 1992·Granted Jan 25, 1994·3 cites·1 claims
- 0319USD330402SAssemblable buoyancy floatGRIFFES DONALD L·Filed 1990·Granted Oct 20, 1992·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →