Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809394 | Vacuum cleaner having a blower facility structure | Hisao Suka, Akira Iwao, Yoshitaro Ishii, Masao Sunagawa | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809394 | Vacuum cleaner having a blower facility structure | Hisao Suka, Akira Iwao, Yoshitaro Ishii, Masao Sunagawa | 1989-03-07 |