Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7340798 | Upright vacuum cleaner with spring loaded nozzle | Tamaki Nishikori | 2008-03-11 | $864,000 |
| 6957473 | Upright vacuum cleaner with spring loaded nozzle | Tamaki Nishikori | 2005-10-25 | $365,000 |
| 6915544 | Agitator drive system with bare floor shifter | Jeffrey T. Roney | 2005-07-12 | $130,000 |
| 6772474 | Upright vacuum cleaner with spring loaded nozzle | Tamaki Nishikori | 2004-08-10 | $164,000 |
| D485953 | Bagless canister vacuum | Mason Greene | 2004-01-27 | |
| D481844 | Filter canister for vacuum cleaner | Mason Greene | 2003-11-04 |