Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9408339 | Earth working apparatus | Glen W. Sprague, Dwayne W. Sovereign | 2016-08-09 |
| 9402338 | Earth working apparatus | Glen W. Sprague, Dwayne W. Sovereign | 2016-08-02 |
| 7992504 | Farm implement with coupling device | — | 2011-08-09 |
| 7395769 | Individual row rate control of farm implements to adjust the volume of crop inputs across wide implements in irregularly shaped or contour areas of chemical application, planting or seeding | — | 2008-07-08 |
| 6554367 | Side dump body | — | 2003-04-29 |
| 6520589 | Side dump body | Ralph R. Rogers | 2003-02-18 |
| 6488340 | Side stiffening rail for a side dump body | — | 2002-12-03 |
| 6428264 | Side dump body including a material compaction assembly | Ralph R. Rogers | 2002-08-06 |
| 6425726 | Side dump body including a material compaction assembly | Ralph R. Rogers | 2002-07-30 |
| 6402453 | Side dump body including a material compaction assembly | Ralph R. Rogers | 2002-06-11 |
| 5975215 | Means for controlling the stroke of a hydraulic cylinder | William A. Bachman | 1999-11-02 |
| 4997203 | Trailer jack | — | 1991-03-05 |