Inventor record

JOHNSTONE ROBERT

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.

• 66Robert Johnstone7 patent records·10 citations·B81C F04B F16K4 on this record
• 94Robert Alexander Walker Johnstone21 patent records·278 citations·C07C C07K C08F2 on this record

Inventor identities via PatentsView disambiguation — see methodology.