Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12296794 | Agricultural machine with dynamic debris removal | William Douglas Graham | 2025-05-13 |
| 8007353 | Clean grain conveyor for an agricultural combine | Ronald W. Nelson, Merle Ray Gerber, Emily N Horn | 2011-08-30 |
| D488270 | Intake tube | Darin Biere | 2004-04-06 |
| 6698059 | Intake system for central vacuum cleaner | Darin Biere | 2004-03-02 |
| D475165 | Intake closure for central vacuum cleaner | Darin Biere | 2003-05-27 |