Inventor record
BARTEL SIEGFRIED
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.
- 91Siegfried Bartel12 patent records·156 citations·G03B B60G B65H10 on this record
- 96Erich Nagel24 patent records·423 citations·G03B G03D B65H1 on this record
- 86Heinz Rapp7 patent records·121 citations·G03B G03D B08B1 on this record
Inventor identities via PatentsView disambiguation — see methodology.