Berlin
Germany
5
2010-12-30
The entities that hold a legal rights for patent applications filed by inventor Hahn Michael:
Michael Hahn from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Electrical contact device
#2 | 2007-04-10Switch contact arrangement comprising a device for increasing a contact-force acting between switch contacts
#3 | 2007-01-04Device for detecting contact wear in switching appliances
#4 | 2006-05-09Contact arrangement for a vacuum switch tube
#5 | 2005-03-08Vacuum interrupter chamber with ring-shaped insulator
3724092 ⎘