Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7871024 | Manure spreader with reverse flighting | Gary L. Wilke, Gregory L. Landon | 2011-01-18 |
| 7328567 | Wheel rake | James E. Kappel, Gary L. Wilke | 2008-02-12 |
| 7322568 | Damping spring for use in agricultural implements | — | 2008-01-29 |
| 6726368 | Anti-wrap guard | — | 2004-04-27 |
| 6715274 | Accelerator roller for windrow merger | Gregory L. Landon | 2004-04-06 |
| 6561935 | Forage box clutch mechanism | Arthur G. Erdman | 2003-05-13 |
| 6405517 | Folding wheel rake with improved folding mechanism | Gregory L. Landon | 2002-06-18 |
| 6347500 | Forage wrapping device | Gregory L. Landon | 2002-02-19 |
| 6224506 | Forage box clutch mechanism | Arthur G. Erdman | 2001-05-01 |
| 6212865 | Windrow merger | Gregory L. Landon | 2001-04-10 |
| 6070400 | Forage wrapping device and method | Gregory L. Landon | 2000-06-06 |
| 6038844 | Folding hay rake with extension linkage | Gregory L. Landon | 2000-03-21 |
| 5598691 | Folding hay rake with stabilizing support assembly | — | 1997-02-04 |
| 5540040 | Folding hay rake | — | 1996-07-30 |
| 5386943 | All purpose V-shaped manure spreader | — | 1995-02-07 |
| 5305590 | Wheel rake | — | 1994-04-26 |
| 5090268 | Two speed gearbox | — | 1992-02-25 |