Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D645479 | Mower disc | Philip J. Ehrhart, Mark D. Layton, Martin J. Roberge | 2011-09-20 |
| 7954309 | Apparatus to improve modular cutterbar connecting shaft spline durability | Philip J. Ehrhart | 2011-06-07 |
| 7832189 | Apparatus to improve modular cutterbar connecting shaft spline durability | Philip J. Ehrhart | 2010-11-16 |
| 7730703 | Modular disc cutterbar | Philip J. Ehrhart, David M. DeChristopher | 2010-06-08 |
| 7300100 | Windrower cab mounting and suspension system | Kenneth W. McLean, David M. DeChristopher | 2007-11-27 |
| 7252169 | Windrower rear axle suspension system | Kenneth W. McLean, David M. DeChristopher | 2007-08-07 |
| 7207581 | Adjustable hydrostatic control system | Kenneth W. McLean, Douglas R. Otto, Dennis L. Coates | 2007-04-24 |
| 7168226 | Independent hydraulic header lift and flotation system | Kenneth W. McLean, Douglas R. Otto, David M. DeChristopher, Robert L. Fackler, Charles H. Hoffman +1 more | 2007-01-30 |
| 6073431 | Self-propelled windrower | Cecil R. Sudbrack, Robert L. Rice, Kenneth W. McLean, Philip J. Ehrhart | 2000-06-13 |
| 5867970 | Header lift system for harvesters | Philip J. Ehrhart | 1999-02-09 |
| 4383652 | Shredbar apparatus | Joe E. Shriver, John R. McClure | 1983-05-17 |
| 4316601 | Quick-adjusting jackstand apparatus | Joe E. Shriver | 1982-02-23 |