Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6772474 | Upright vacuum cleaner with spring loaded nozzle | Ron Davis | 2004-08-10 |
| 6684451 | Vacuum cleaner | Tomonori Kato, Hiroshi Hayakawa, Naoyuki Ohara, Koichi Ito, Toru Odachi +1 more | 2004-02-03 |