Inventor record

JOHNSTON RICHARD 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.

• 71Richard D. Johnston4 patent records·38 citations·B60K F02N G01G4 on this record
• 89Richard Duane Johnston19 patent records·140 citations·C07D A61P A61K3 on this record

Inventor identities via PatentsView disambiguation — see methodology.