Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562757 | Removal of an accumulated frozen substance from a cooling unit | Michael A. Ghan | 2017-02-07 |
| 6151558 | Ultrasonic marine speedometer system | Szeeming Yao | 2000-11-21 |
| 5680472 | Apparatus and method for use in an automatic determination of paper currency denominations | — | 1997-10-21 |