Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7765943 | Dual function seed meter | Donald K. Landphair, Donald Raymond Wisor, James Irwin Lodico | 2010-08-03 |
| 5549060 | Mechanical seed meter | Donald Raymond Wisor | 1996-08-27 |
| 5392722 | Air separation tube for a pneumatic delivery system | Terry L. Snipes, Everett T. Miller, Lawrence D. Green | 1995-02-28 |
| 5377867 | Selector pin seed meter | James Irwin Lodico | 1995-01-03 |
| 5325800 | Device for sealing the seed meter of a vertically folded planting unit | Donald Raymond Wisor | 1994-07-05 |