Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937803 | Electric direct drive for aircraft propulsion and lift | William L. Siegel, Mark Jon Blackwelder, John T. Alt | 2018-04-10 |
| 9889807 | Vehicle and system for supplying electrical power to a vehicle electrical load | William L. Siegel | 2018-02-13 |