Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6678916 | Vacuum cleaner hose unit having a hose fitting with a coupling protrusion | Kiyoshi Hashizume, Koichi Ito | 2004-01-20 |
KS
Kenichiro Sunaba
Overall (2004): #176,326 of 270,089Top 70%
1
Patents 2004