Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203511 | Method for fine grinding | Richard D. Ritter, Arthur H. Anderson | 1993-04-20 |
| 5195695 | Apparatus for fine grinding | Richard D. Ritter, Arthur H. Anderson | 1993-03-23 |
| 4755118 | Extrusion cooler with atmosphere recycle and openable top | Roger A. Howells | 1988-07-05 |