Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155885 | Vacuum cleaner and method for operating the same | Yoshitaro Ishii, Hisao Suka, Kazuo Tahara, Haruo Koharagi | 1992-10-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155885 | Vacuum cleaner and method for operating the same | Yoshitaro Ishii, Hisao Suka, Kazuo Tahara, Haruo Koharagi | 1992-10-20 |