Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7832048 | Methods to prevent wheel slip in an autonomous floor cleaner | Jeffrey L. Harwig, Thomas Jaworski, Fukyuen Cheng | 2010-11-16 |
| 7578020 | Surface treating device with top load cartridge-based cleaning system | Thomas Jaworski, Jeffrey L. Harwig, Mark M. Gipp, Kathleen M. Laru, Fukyuen Cheng +1 more | 2009-08-25 |
| 7389166 | Methods to prevent wheel slip in an autonomous floor cleaner | Jeffrey L. Harwig, Thomas Jaworski, Fukyuen Cheng | 2008-06-17 |