Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597487 | Method and apparatus for selective scrap metal collections | Kennith D. Crosby, William J. Tuten, Bertil R. Bergquist | 1986-07-01 |
| 4402391 | Selective scrap metal collection apparatus | William J. Tuten, Kennith D. Crosby | 1983-09-06 |