Inventor record

JOHNSON SPENCER

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.

• 75Spencer Dale Johnson7 patent records·10 citations·A01B B61D E04H4 on this record
• 62Spencer Johnson4 patent records·65 citations·F16H G01N G01S4 on this record

Inventor identities via PatentsView disambiguation — see methodology.