Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724137 | Fire-protection rolling door | Michael Kahle, Claus Schwenzer | 2023-08-15 |
| 8763346 | Solar module attachment device and mounting method | Hans-Werner Kuster | 2014-07-01 |