Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491296 | Diaphragm drive for controlling the operation of a gas burner | — | 1985-01-01 |
| 4212655 | Arrangement for ammonia feed in copying equipment | Karl-Heinz Degenhardt, Gerhard Marx | 1980-07-15 |