Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771947 | Low energy irrigation device | Donald W. Smeller | 1988-09-20 |
| 4735365 | Irrigation boom assembly | Donald W. Smeller, Mark R. McClaran | 1988-04-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4771947 | Low energy irrigation device | Donald W. Smeller | 1988-09-20 |
| 4735365 | Irrigation boom assembly | Donald W. Smeller, Mark R. McClaran | 1988-04-05 |