Inventor record

GROETTRUP HELMUT

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.

• 81Helmut Grottrup5 patent records·111 citations·G07C B41J B65D3 on this record
• 47Helmut Groettrup1 patent record·46 citations·G07F1 on this record

Inventor identities via PatentsView disambiguation — see methodology.