Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7595607 | Battery charging system and methods | Brian Nedward Meyer, John Springer Harrison, Sherrill G. Thomas | 2009-09-29 |
| 5598072 | Regenerative braking circuit utilizing separately excited motor | — | 1997-01-28 |
| 5119011 | Battery state of charge indicator | — | 1992-06-02 |
| 4730151 | Continuous field control of series wound motors | Bernard I. Florey | 1988-03-08 |
| 4479080 | Electrical braking control for DC motors | — | 1984-10-23 |
| 4423363 | Electrical braking transitioning control | Robert C. Clark, Sherrill G. Thomas | 1983-12-27 |
| 4328447 | DC Motor speed regulator | Richard K. Davis | 1982-05-04 |
| 4201157 | Portable animal handling unit | — | 1980-05-06 |