Inventor record

ZENGEL HANS

This page previously combined 3different people who filed under the same name. Pick the inventor you're looking for — each profile now covers one disambiguated person.

• 99Hans Zengel53 patent records·650 citations·C07C C07D C08G24 on this record
• 97Manfred Bergfeld37 patent records·322 citations·C07C C07D C08F3 on this record
• 86Rainer Zielke7 patent records·107 citations·C08F C07C C07D1 on this record

Inventor identities via PatentsView disambiguation — see methodology.