Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912757 | Vacuum cleaner with continuous liquid pick-up | Alan D. Kaufman, Dennis Lamberty | 2005-07-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912757 | Vacuum cleaner with continuous liquid pick-up | Alan D. Kaufman, Dennis Lamberty | 2005-07-05 |