Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5301745 | Installation for heat recovery | Klaus Seib, Hans W. Thomas | 1994-04-12 |
| 4516016 | Apparatus for recording and processing guest orders in restaurants or the like | — | 1985-05-07 |