Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484736 | Method and apparatus for cleaning drainpipes in movable equipment | Kiyomi Kanda | 2002-11-26 |
| 6458214 | Method and apparatus for cleaning drainpipes in movable equipment | Kiyomi Kanda | 2002-10-01 |