Assignee
Inventors
- Robert Entenmann (24 patents)
- Bernhard Stengel (3 patents)
- Stefan Unland (27 patents)
- Matthias Philipp (16 patents)
- Oskar Torno (36 patents)
- Ulrich Rothhaar (8 patents)
- Siegfried Rohde (18 patents)
US Patent 5231830 · Granted Aug 3, 1993