Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814151 | Knock-on sweep structure having mounting side surfaces diverging at different rates in the wedging direction | Donald Ray Peck, Mark D. Beeck | 2004-11-09 |
| 6684963 | Knock-on sweep structure | Richard Wayne Hook, James T. Noonan, Donald Ray Peck, Michael Sieben Egert | 2004-02-03 |