Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835130 | Grain compartment cleanout arrangement | Glenn E. Pope, Mark Charles DePoorter | 2004-12-28 |
| 6692352 | Grain storage tank covers | Edwin Milton Gerber, Russell Andrew Huesmann, Jr., Mark Charles DePoorter, Garrick W. Herbst, Lawrence Begyn | 2004-02-17 |