Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039329 | Roller skate shock absorber system | Clay Allen Burns, John Sullivan, Frederic Ballou-Viaux Sullivan | 2000-03-21 |
| 5823543 | Roller skate shock absorber system | Clay Allen Burns, John Sullivan, Frederick Ballou-Viaux Sullivan | 1998-10-20 |