Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908706 | Upright vacuum cleaner with cyclonic air path | Thomas W. Hawkins, Rich Eisenmenger, Christer Kontio | 2011-03-22 |
| 7334290 | Upright vacuum cleaner with cyclonic air path | Thomas W. Hawkins, Rich Eisenmenger, Christer Kontio | 2008-02-26 |
| 7228592 | Upright vacuum cleaner with cyclonic air path | Thomas W. Hawkins, Rich Eisenmenger, Christer Kontio | 2007-06-12 |
| 6910245 | Upright vacuum cleaner with cyclonic air path | Thomas W. Hawkins, Rich Eisenmenger, Christer Kontio | 2005-06-28 |