Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38930 | Knife holder for a chipper disc | Troy M. Swartwood, Douglas Keller | 2006-01-10 |
| 6968879 | Knife and apparatus for clamping a knife | Tobias L. Simonsen | 2005-11-29 |
| 5979522 | Knife holder for a chipper disc | Troy M. Swartwood, Douglas Keller | 1999-11-09 |