Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957301 | Method and apparatus for the separation of materials having different densities | Andrew W. Wedel, Blaine F. Severin | 1999-09-28 |
| 5720393 | Method and apparatus for the separation of manure and sand | Andrew W. Wedel, Blaine F. Severin | 1998-02-24 |