Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8567709 | Rotorcraft with variable incident wing | Dudley E. Smith, Walter C. Joiner, Daniel Bryan Robertson, David J. Ludolph | 2013-10-29 |
| 8251305 | Rotorcraft with variable incident wing | Dudley E. Smith, Walter C. Joiner, Daniel Bryan Robertson, David J. Ludolph | 2012-08-28 |