Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871683 | Method of molding skate components | Michael P. Tierney | 1999-02-16 |
| 5582417 | Integrated skate | Dan M. Sutherland | 1996-12-10 |
| D375829 | Integral in-line skate boot and skate frame | Dan M. Sutherland, Erik T. Mueller, Philip C. Dretzka | 1996-11-26 |
| D365437 | Cuff for in-line skates | Dan M. Sutherland, Erik T. Mueller, Philip C. Dretzka | 1995-12-26 |