Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7704080 | Receiving housing for a hand-held power tool | Helmut Burger, Claus Osselmann | 2010-04-27 |
| 6957706 | Attachment member | Helmut Burger, Mathias Doberenz | 2005-10-25 |
| 6359026 | Method for producing silicone foams | Gerwig Marquardt, Helmut Hurnik | 2002-03-19 |
| 5219922 | Silicone elastomers having reduced compression set and a process for their production | Helmut Steinberger, Klaus Pesch | 1993-06-15 |