Assignee
Inventors
- Heinz Wullenweber (9 patents)
- Peter Kohl (15 patents)
- Herbert Jung (16 patents)
- Jorgen Borchardt (1 patents)
- Wolfgang Bickle (26 patents)
- Jurgen Braus (10 patents)
- Hans-Joachim Hiedemann (2 patents)
US Patent 4961901 · Granted Oct 9, 1990