Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836530 | Paper manufacture conical-type pulp refiners improvements | — | 1998-11-17 |
| 5249734 | Rotor disc for a refiner and method of formation thereof | — | 1993-10-05 |
| 5178339 | Rotor disc for a refiner and method of formation thereof | — | 1993-01-12 |
| 4624420 | Refining disc for wood pulp or the like | — | 1986-11-25 |