Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203510 | Dual rotary impeller broadcast spreaders | Steve Courtney | 1993-04-20 |
| D333951 | Portable spreader | Steve Courtney | 1993-03-16 |
| 5123598 | Portable spreading devices | Steve Courtney | 1992-06-23 |
| D284666 | Rotary spreader | — | 1986-07-15 |
| 4580730 | Rotary spreader | — | 1986-04-08 |
| 4491254 | Liquid chemical applicator | Alan K. Viets, Henry M. Lowe | 1985-01-01 |
| 4382552 | Liquid applicator | Timothy A. Lubsen | 1983-05-10 |
| D254591 | Combined fertilizer and pesticide applicator for plants | Richard L. Parish | 1980-04-01 |