Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970855 | Method and apparatus for piecing a reserve feed stock with a production feed stock | Daniel Brennwalder, Herbert Stalder, Andrew Barritt, Marcus Dinkelacker | 1990-11-20 |
| 4820350 | Device for cleaning at least one sensor roller and method of cleaning such sensor roller | Robert Demuth | 1989-04-11 |
| 4353149 | Flat cleaning system for a card | Robert Demuth | 1982-10-12 |