Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D358626 | Ribbed brake pad for a roller skate | Douglas H. Graham | 1995-05-23 |
| 5411276 | Roller skate brake | — | 1995-05-02 |
| D357962 | Ribbed brake pad for a roller skate | Douglas H. Graham | 1995-05-02 |
| 5253883 | Progressively actuated brake for a roller skate | — | 1993-10-19 |