Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302342 | Pulper cone assembly for handling slabs of reel broke baled pulp and the like | Donald W. Danforth | 2001-10-16 |
| 6053441 | Toroidal flow pulper for difficult materials | Donald W. Danforth | 2000-04-25 |