Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8770339 | Silencer for an auxiliary power unit of an aircraft | Matthias Siercke | 2014-07-08 |
| 8763751 | Silencer for an auxiliary power unit of an aircraft | Matthias Siercke | 2014-07-01 |