Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4690309 | Portable, self-powered, adjustable herbicide dispensing system | Michael A. Wehr | 1987-09-01 |
| 4635830 | Portable, self-powered, adjustable herbicide dispensing system | Michael A. Wehr | 1987-01-13 |