Inventor record
TREFFER DOUGLAS R
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.
- 88Douglas R. Treffer11 patent records·60 citations·A01D A01B B62D9 on this record
- TREFFER DOUGLAS R1 patent record·0 citations·A01D1 on this record
Inventor identities via PatentsView disambiguation — see methodology.