Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174673 | Jack-shaft operator assembly having connecting plate secured by a coupler to a drive member | Michael Sanke | 2007-02-13 |
| 7146765 | Secured emergency release device and use of same | Michael Sanke, Patrick Euteneuer | 2006-12-12 |
| 7007427 | Separating device for an overhead door | Michael Sanke | 2006-03-07 |
| 6557301 | Locking device and door-drive device comprising the same, for a door operated by a motor assembly | Thomas Hormann, Michael Sanke | 2003-05-06 |