Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926947 | Turf aerating apparatus with resilient handle mount | Mark L. Cozine, Loren F. Hansen, Mark E. Lamb | 1990-05-22 |
| 4867244 | Turf aerating apparatus | Mark L. Cozine, Loren F. Hansen, Mark E. Lamb | 1989-09-19 |