| 7770657 |
Multi-speed sweep having progressively aggressive, non-flat soil contacting surfaces |
— |
2010-08-10 |
| 7240741 |
Knock-on sweep structure and tools therefor |
Richard David Zaun, Donald Ray Peck, Mark D. Beeck, Richard Wayne Hook, James Michael VanAuwelaer +1 more |
2007-07-10 |
| 7124836 |
Knock-on sweep structure |
Richard Wayne Hook, James T. Noonan, Donald Ray Peck, Michael Sieben Egert |
2006-10-24 |
| 7070007 |
Knock-on sweep structure |
Richard Wayne Hook, James T. Noonan, Donald Ray Peck, Michael Sieben Egert |
2006-07-04 |
| D512078 |
Coated ripper point |
— |
2005-11-29 |
| 6957476 |
Tool for a knock-on sweep structure |
Donald Ray Peck, Mark D. Beeck |
2005-10-25 |
| 6938700 |
Knock-on sweep structure and tools therefor |
Richard David Zaun, Donald Ray Peck, Mark D. Beeck, Richard Wayne Hook, James Michael VanAuwelaer +1 more |
2005-09-06 |
| 6877568 |
Tillage sweep |
— |
2005-04-12 |
| 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 |
| D480734 |
Cultivator sweep |
— |
2003-10-14 |
| 6585058 |
Knock-on sweep structure and tools therefor |
Richard David Zaun, Donald Ray Peck, Mark D. Beeck, Richard Wayne Hook, James Michael VanAuwelaer +1 more |
2003-07-01 |