Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091175 | Vacuum transport tube vehicle, system, and method for evacuating a vacuum transport tube | Robert Erik Grip, John C. Vassberg, Ted K. Rothaupt | 2021-08-17 |
| 11053888 | Fan cowl with a serrated trailing edge providing attached flow in reverse thrust mode | John C. Vassberg, Dino L. Roman | 2021-07-06 |
| 10954805 | Aircraft turbofan engine having variable pitch fan and method of over-pitching the variable pitch fan in an engine out condition to reduce drag | John C. Vassberg, Dino L. Roman | 2021-03-23 |