Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8461469 | Drive apparatus for a tensioning shaft of a spring energy drive of an electric switch and electric switch with such a drive apparatus | Burkhard Engemann | 2013-06-11 |
| 6870113 | Latching mechanism for locking a spring energy store | Jörg-Uwe Dahl, Ludvik Godesa, Marc Liebetruth | 2005-03-22 |
| 6831240 | Drive train for a displaceable contact on an electrical power breaker | Michael Bach, Jörg-Uwe Dahl, Ludvik Godesa, Marc Liebetruth, Detlev Schmidt +4 more | 2004-12-14 |