Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9267863 | Propeller system with two counter-rotating propellers, a method for measuring the thrust of a propeller system with two counter-rotating propellers and wind tunnel with a model positioned therein having a propeller system | Erik Goldhahn, Stephan Zipp, Alberto Villa | 2016-02-23 |