Inventor record

ROPP R LEWIS

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.

• 53Ralph Lewis Ropp1 patent record·95 citations·E21B1 on this record
• 51R. Lewis Ropp1 patent record·76 citations·E21B1 on this record

Inventor identities via PatentsView disambiguation — see methodology.