Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5115988 | Method for grinding materials | — | 1992-05-26 |
| 4997137 | Apparatus for grinding materials | — | 1991-03-05 |
| 4683095 | Early progressive junction extrusion process and system | Clifford J. Tubbe, George G. Giesbrecht, John A. Wiens | 1987-07-28 |
| 4576339 | Scrap tire cutting apparatus | Robert H. Snyder | 1986-03-18 |