Inventor record

BIRCHWOOD RICHARD A

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.

• 80Richard A. Birchwood8 patent records·58 citations·E21B G01V5 on this record
• BIRCHWOOD RICHARD A1 patent record·0 citations·G01V1 on this record

Inventor identities via PatentsView disambiguation — see methodology.