Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470603 | Walk behind self-propelled crawler snowplow | Jitsumi Hanafusa, Masanori Takeishi | 2002-10-29 |
| 6453583 | Walk behind self-propelled crawler snowplow | Jitsumi Hanafusa | 2002-09-24 |