Assignee
Inventors
- Jurgen Bruning (10 patents)
- Roland Emberger (10 patents)
- Matthias Guntert (12 patents)
- Rudolf Hopp (25 patents)
- Manfred Kopsel (7 patents)
- Theodor Sand (9 patents)
- Peter Werkhoff (9 patents)
US Patent 4988526 · Granted Jan 29, 1991