Inventor record
FREI ALFRED
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.
- 74Alfred Frei4 patent records·35 citations·C09B4 on this record
- 61Alfred Frei2 patent records·26 citations·E06B2 on this record
Inventor identities via PatentsView disambiguation — see methodology.