Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419249 | Roller board with a pivoting roller unit which is adapted to provide enhanced stability during turning movement | — | 2002-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419249 | Roller board with a pivoting roller unit which is adapted to provide enhanced stability during turning movement | — | 2002-07-16 |