Assignee
Inventors
- Hans Volkmar Schwarz (14 patents)
- Andreas Otterbach (7 patents)
- Otto Mattner (3 patents)
- Franz Merger (148 patents)
- Wolfgang Schwarz (56 patents)
- Eckhardt Brandt (3 patents)
- Peter Magnussen (8 patents)
- Roland Minges (26 patents)
US Patent 5616784 · Granted Apr 1, 1997