Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095686 | Produce bagging machine | Dale E. Marshall, Galen K. Brown, Richard J. Wolthuis | 1992-03-17 |
| 4320995 | Vacuum-operated produce handling systems | Bernard R. Tennes, Richard J. Wolthuis | 1982-03-23 |