Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503431 | Mechanical rotational drive | Franz Sperber, Walter Stich, Leonhard Stielner | 2009-03-17 |
| 6439516 | Support structure having alternative states of high strength or low thermal conductivity, and connecting strut | Martin Roth, Franz Sperber | 2002-08-27 |
| 6158691 | Process for preventing turning over during the landing of an aircraft or spacecraft | Stefan Menne, Yasar Ovadya, Bernhard Schmidt | 2000-12-12 |
| 6029932 | Detonating valve for releasing openings of air bag landing systems | — | 2000-02-29 |