Inventor record
ENGEL DONALD FRANCIS
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.
- 98Donald F. Engel38 patent records·2,849 citations·B01D F02M F16B9 on this record
- 93Don Harold9 patent records·875 citations·B01D1 on this record
Inventor identities via PatentsView disambiguation — see methodology.