Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8941340 | Regenerative variable frequency drive | Theodore Clifton Pettyjohn, Jack Yang, Peda V Medagam | 2015-01-27 |
| 6731525 | H-bridge electronic phase converter | — | 2004-05-04 |
| 6430996 | Probe and integrated ice detection and air data system | Mark V. Anderson, Joe Burns | 2002-08-13 |
| 6425286 | Electro-optic ice detection device | Mark V. Anderson | 2002-07-30 |
| 6297971 | Phase converter | — | 2001-10-02 |
| 4268844 | Insulated gate field-effect transistors | — | 1981-05-19 |