Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302878 | Electric vacuum cleaner | Kohichi Hasegawa, Masao Sunagawa, Yoshitaro Ishii, Fumio Jyoraku | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D302878 | Electric vacuum cleaner | Kohichi Hasegawa, Masao Sunagawa, Yoshitaro Ishii, Fumio Jyoraku | 1989-08-15 |