Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7673368 | Dust bag arrangement and filling indicator for floor care apparatus | — | 2010-03-09 | $208,000 |
| 7640621 | Thermal protection system for electrical appliance | — | 2010-01-05 | $200,000 |
| 6301743 | Vacuum cleaner with static dissipation circuit | Hiroshi Nakao | 2001-10-16 | $141,000 |
| 4684467 | Oil separator | — | 1987-08-04 |