Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D485200 | Smoke detector | Oliver Berthold, Tido Krippendorf, Waldemar Ollik, Heiner Politze, Gerd Reininghaus | 2004-01-13 |
| D478325 | Manual call point | Oliver Berthold, Thomas Goulet, Waldemar Ollik, Klaus Schnitzler | 2003-08-12 |