Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868507 | Aircraft having keel tube with structure that reduces noise emissions | Otmar Birkner | 2018-01-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868507 | Aircraft having keel tube with structure that reduces noise emissions | Otmar Birkner | 2018-01-16 |