Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967544 | Automatic speed control system for a harvesting assembly | Duane Herbert Ziegler, D. Keith Dewey, Steven L. Wildemuth, Frederick W. Nelson, Kenneth D. Friend +1 more | 1990-11-06 |