Inventor record

UNDERWOOD JOHN A

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.

• 99John A. Underwood53 patent records·1,511 citations·B41J B65H G03G42 on this record
• 65John F. Underwood3 patent records·59 citations·G10D H04N H04R1 on this record

Inventor identities via PatentsView disambiguation — see methodology.