Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D471135 | Snow/smooth surface transporter using endless track unit(s) and slider(s) | Shunichi Yamamoto | 2003-03-04 |
| 6049923 | Lift for lifting and lowering body | — | 2000-04-18 |
| 5413367 | Movable chair | — | 1995-05-09 |