Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957301 | Method and apparatus for the separation of materials having different densities | Blaine F. Severin, William G. Bickert | 1999-09-28 |
| 5950839 | Method and apparatus for the separation of manure and sand | — | 1999-09-14 |
| 5720393 | Method and apparatus for the separation of manure and sand | Blaine F. Severin, William G. Bickert | 1998-02-24 |