Inventor record

GRAF JOHN FREDERICK

This page previously combined 3different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 97John Frederick Graf52 patent records·736 citations·G01J A61N G02F36 on this record
• 72John C. Graf6 patent records·24 citations·A62B B01D B32B1 on this record
• 13GRAF JOHN FREDERICK1 patent record·0 citations·A61N1 on this record

Inventor identities via PatentsView disambiguation — see methodology.