Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655088 | Safety break for an overhead door | — | 2003-12-02 |
| 6557301 | Locking device and door-drive device comprising the same, for a door operated by a motor assembly | Michael Sanke, Viktor Schütz | 2003-05-06 |