Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6508518 | Hubcap locking device | Robert H. Owen, Bruce E. Harrison | 2003-01-21 |
| 5902018 | Hubcap locking device | Robert H. Owen, Bruce E. Harrison | 1999-05-11 |
| 5865915 | Bi-directional anti-slip drive wheel assembly | Robert H. Owen, Walter Creutz, Steven R. Laney, Bruce E. Harrison | 1999-02-02 |