Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9026274 | Method of controlling an electric propulsion system | Jonathan Hartman, Timothy Fred Lauder, Russell L. Halstead, Christopher L. Winslow | 2015-05-05 |
| 6862182 | Heat sink for a silicon controlled rectifier power controller | Alfred R. Roman, Wayne Estes, Daniel White, Jerry Black | 2005-03-01 |
| 6826035 | Silicon controlled rectifier power controller | Alfred R. Roman, Wayne Estes, Daniel White, Jerry Black | 2004-11-30 |
| 6621700 | Heat sink for a silicon controlled rectifier power controller | Alfred R. Roman, Wayne Estes, Daniel White, Jerry Black | 2003-09-16 |