Inventor record
PETTENGILL JOHN W
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.
- 49John W. Pettengill1 patent record·54 citations·A47L1 on this record
- 55John W. Pettengill1 patent record·146 citations1 on this record
Inventor identities via PatentsView disambiguation — see methodology.