Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578930 | Ice wheels | Donald C. Hue | 2003-06-17 |
| 6322154 | Modified wheels for ice | Donald C. Hue | 2001-11-27 |
| 5411320 | Wheels that provide lateral friction on ice | Donald C. Hue | 1995-05-02 |