Inventor record

FRANZ ROBERT D

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.

• 79Robert D. Franz8 patent records·9 citations·E21B E02F G08C7 on this record
• 14FRANZ ROBERT D1 patent record·0 citations·E21B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.