Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8280694 | Constant current power source electronics for a sensor | James Robert Underbrink | 2012-10-02 |
| 8107634 | High intensity calibration device | Robert D. Lee, Joel R. Tuss, James Robert Underbrink, Wayne F. Wenneman | 2012-01-31 |