Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202145 | Service truck body pressurized storage system | Matthew C. Lohafer, Kurtis L. Vos | 2012-06-19 |
| 7448333 | Turf overseeding apparatus and methods | Scott Kinkead, Terrence R. Bondeson, Tom Fiske, Kenneth W. Sylvester, Steven Ferguson +1 more | 2008-11-11 |
| 7347320 | Top dresser | David V. Cress, Steven Ferguson | 2008-03-25 |
| 6962209 | Simple, durable and easy-to-use earthworking machine | Terrence R. Bondeson, Andrew Hawkins | 2005-11-08 |
| 6817552 | Broadcast spreading top dresser | Scott Kinkead, Donavon D. Kotula, Steven Ferguson | 2004-11-16 |
| 6708773 | Method and apparatus for an aerator with differential, steering assist and power lifting | John Kinkead, Loren F. Hansen, Donavon D. Kotula, Robert C. Brophy | 2004-03-23 |