Inventor record

DONALDSON ROBERT M

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.

• 74Robert M. Donaldson4 patent records·33 citations·E02F E21B E21C2 on this record
• 65Ted W. Christian3 patent records·15 citations·E02F E21C1 on this record

Inventor identities via PatentsView disambiguation — see methodology.