Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6003897 | Vehicle suspension and steering cradle | Robert D. Campbell, David L. Hoelscher | 1999-12-21 |
| 5997038 | Vehicle suspension and steering cradle | Robert D. Campbell, David L. Hoelscher | 1999-12-07 |
| 5879026 | Vehicle suspension and steering cradle | Robert D. Campbell, David L. Hoelscher | 1999-03-09 |