Inventor record

GRAFF HART F

This page previously combined 2different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 87Hart F. Graff7 patent records·152 citations·C23C B05B B05C6 on this record
• 93Marvin B. Pierson14 patent records·243 citations·C23C B32B C21D1 on this record

Inventor identities via PatentsView disambiguation — see methodology.