Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427527 | Electric direct drive for aircraft propulsion and lift | William L. Siegel, Mark Jon Blackwelder, John T. Alt | 2019-10-01 |
| 10358977 | Phase change material cooling system for a vehicle | Steven Gagne, William L. Siegel, John R. Arvin | 2019-07-23 |