Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878802 | Machine for collecting ground particles and the like | Loren F. Hansen, Joseph J. Oliver | 1989-11-07 |
| 4773486 | Driven tine wheel type aerator having improved tine geometry | Paul F. Santini | 1988-09-27 |
| 4709541 | Grass/lawn debris handling system | Donald E. Broman, Loren F. Hansen | 1987-12-01 |