Inventor record

STEFFEN JOHN

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.

• 83John F. Steffen14 patent records·36 citations·B32B D04H A61L5 on this record
• 32John Michael Steffen2 patent records·10 citations·A61B A61N1 on this record

Inventor identities via PatentsView disambiguation — see methodology.