Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12065267 | Earth to orbit transportation system | Livingston L. Holder, Gary C. Hudson, Bevin C. McKinney, Marshall L. Crenshaw | 2024-08-20 |
| 11649070 | Earth to orbit transportation system | Livingston L. Holder, Gary C. Hudson, Bevin C. McKinney, Marshall L. Crenshaw | 2023-05-16 |
| 11059608 | Earth to orbit transportation system | Livingston L. Holder, Gary C. Hudson, Bevin C. McKinney, Marshall L. Crenshaw | 2021-07-13 |
| D924777 | Hybrid aerial vehicle | James C. Egan, Lawrence E. Fleming | 2021-07-13 |
| D405750 | Reuseable rocket airplane | Mitchell Burnside Clapp, Robert M. Zubrin | 1999-02-16 |
| 4901947 | Reverse engine VSTOL | — | 1990-02-20 |
| 4354646 | Variable dihedral angle tail unit for supersonic aircraft | — | 1982-10-19 |