Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809384 | Horizontally moving automatic outer surface cleaning | Yoshihiro Nishiyama, Tadao Takasaki | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809384 | Horizontally moving automatic outer surface cleaning | Yoshihiro Nishiyama, Tadao Takasaki | 1989-03-07 |