Assignee
Inventors
- Robert Entenmann (24 patents)
- Karl-Heinz Kugler (9 patents)
- Siegfried Rhode (1 patents)
- Ulrich Rothaar (1 patents)
- Bernhard Stengel (3 patents)
- Oskar Torno (36 patents)
- Stefan Unland (27 patents)
- Matthias Philipp (16 patents)
US Patent 5046470 · Granted Sep 10, 1991