Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7365648 | Fire alarm | Bernd Siber, Stefan Sittenauer, Ulrich Oppelt | 2008-04-29 |
| 4843960 | Type carrier set for a stamp printing mechanism and method for assembling a stamp printing mechanism using such a type | Friedrich Oess | 1989-07-04 |