Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340131 | Hydraulic braking system for in-line roller skates | Jeffrey J. Smathers | 1994-08-23 |
| 5280930 | Hydraulic braking system for in-line roller skates | Jeffrey A. Smathers | 1994-01-25 |