Inventor record

FREI CHRISTIAN

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.

• 97Christian Frei51 patent records·223 citations·H04R A61C A47K50 on this record
• 2FREI CHRISTIAN1 patent record·0 citations·F16J1 on this record

Inventor identities via PatentsView disambiguation — see methodology.