Assignee
Inventors
- Udo Sabranski (14 patents)
- Wolfgang Hoffmann (43 patents)
- Siegmar Fischer (9 patents)
- Gunter Sikorski (9 patents)
- Ulrich Theis (12 patents)
- Joachim Fiebrich (3 patents)
- Lutz Borngen (3 patents)
- Ulf Hahn (10 patents)
US Patent 5042389 · Granted Aug 27, 1991