Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5255409 | Electric vacuum cleaner having an electric blower driven in accordance with the conditions of floor surfaces | Masakatsu Fujiwara, Yasuyuki Tsuchida, Yuji Nakanishi | 1993-10-26 |