Inventor record

MITCHENER KEFFER RUTH E

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.

• 83Ruth E. Mitchener Keffer5 patent records·112 citations·B25B Y10T B23B5 on this record
• 44Ruth E. Mitchener-Keffer1 patent record·27 citations·B23B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.