Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637230 | Aircraft and convertible wing assembly | — | 2017-05-02 |
| 7510143 | Wing assembly and aircraft | William R. Bertelsen | 2009-03-31 |
| 6691580 | High pressure deflection testing system and methods of making the system | — | 2004-02-17 |
| 5431061 | Deflection testing fixture assembly and methods of testing | Robert H. Monroe | 1995-07-11 |
| 4415131 | Arc wing aircraft | William R. Bertelsen | 1983-11-15 |