Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144138 | Long-range sonar | Ralph McCann | 2018-12-04 |
| 10034590 | Cleaning device with single tank recycling system | Stephen D. Herr, 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 D. Herr, Henry L. Hillman, Jr., Victor Chi-Chih Huang, Ralph McCann, Kevin L. Thomas | 2018-02-20 |