Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277023 | Center pivot irrigation system with corner watering arrangement | John Anderson, John Charles Davidson, Charles H. Meis | 1981-07-07 |
| 4240582 | Center pivot irrigation system with corner watering arrangement | John Anderson, John Charles Davidson, Charles H. Meis | 1980-12-23 |