Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368066 | Vacuum apparatus and fan casing with wear indicator | Kazunori Takahashi | 2002-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368066 | Vacuum apparatus and fan casing with wear indicator | Kazunori Takahashi | 2002-04-09 |