Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10034590 | Cleaning device with single tank recycling system | Stephen J. Balas, Henry L. Hillman, Jr., Victor Chi-Chih Huang, Ralph McCann, Kevin L. Thomas | 2018-07-31 |
| 9895041 | Cleaning device with single tank recycling system | Stephen J. Balas, Henry L. Hillman, Jr., Victor Chi-Chih Huang, Ralph McCann, Kevin L. Thomas | 2018-02-20 |