Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394696 | Method of resurfacing a road | — | 2002-05-28 |
| 6368014 | Ground working device | Ray W. Gillard | 2002-04-09 |
| 6283224 | Retractable ground working device | Ray W. Gillard | 2001-09-04 |
| 5795096 | Road resurfacing system | — | 1998-08-18 |