Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7240741 | Knock-on sweep structure and tools therefor | Richard David Zaun, Benoit Jocelyn Poutre, Donald Ray Peck, Mark D. Beeck, Richard Wayne Hook +1 more | 2007-07-10 |
| 6938700 | Knock-on sweep structure and tools therefor | Richard David Zaun, Benoit Jocelyn Poutre, Donald Ray Peck, Mark D. Beeck, Richard Wayne Hook +1 more | 2005-09-06 |
| 6585058 | Knock-on sweep structure and tools therefor | Richard David Zaun, Benoit Jocelyn Poutre, Donald Ray Peck, Mark D. Beeck, Richard Wayne Hook +1 more | 2003-07-01 |
| 4607707 | Chisel plow landside | Wayne L. Shellhouse | 1986-08-26 |