Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851119 | Machine for pressing and dewatering or filtering | Heinz Perchthaler, Reinhard Pinter | 1989-07-25 |
| 4834884 | Pressure device and seal for filter belt machines | Peter Scheucher, Rudolf Schieg, Giselher Stummer | 1989-05-30 |