Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540097 | Cooking vessel | Arnold Thelen, Uwe Dietrich | 2003-04-01 |
| D447908 | Cover for a pressure cooker | — | 2001-09-18 |
| 5427014 | Cooking vessel | Reinhard von der Becke | 1995-06-27 |
| 5184550 | Device for controlling wetting behavior of metal surfaces by application of electrolyte under controlled voltage | Gabriele Nowara | 1993-02-09 |
| 5102744 | Metal foil electroformed with a master pattern, the master pattern per se, and method of manufacture | Arno Wirz | 1992-04-07 |
| 4894499 | Electric push-button switch | Heinz Waser, Peter Bettschart | 1990-01-16 |
| 4643095 | Printing unit cylinder for rotary offset printing machines and method of production | Wolfgang Pfizenmaier | 1987-02-17 |
| 4211599 | Cut-and-weld device for superimposed foils advanced in the form of strips | German Bolter, Herbert Helmle | 1980-07-08 |