Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D394785 | Plate | — | 1998-06-02 |
| 5715741 | Pot-shaped permanent filter insert | Ruedi Gasser | 1998-02-10 |
| 4287066 | Sieve having substantially plane sieve sheets and a method for its manufacture | Albert Greutert | 1981-09-01 |
| 4259283 | Manufacture of a sieve having substantially plane sieve sheets | Albert Greutert | 1981-03-31 |