Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817552 | Broadcast spreading top dresser | Scott Kinkead, Thomas E. Isaman, Steven Ferguson | 2004-11-16 |
| 6708773 | Method and apparatus for an aerator with differential, steering assist and power lifting | John Kinkead, Loren F. Hansen, Thomas E. Isaman, Robert C. Brophy | 2004-03-23 |