Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179388 | Method of making a wheel | Gregory Ashby | 2001-01-30 |
| 5938291 | Wheels | Donald Pankhurst | 1999-08-17 |
| 5560686 | Laterally movable wheel rim | John Sayer | 1996-10-01 |
| 5050935 | Spacer for track-adjustable wheel | John Sayer | 1991-09-24 |