Assignee
Inventors
- Max Schwarz (6 patents)
- Joachim Wolff (38 patents)
- Dietrich Hildebrand (16 patents)
- Joachim Grutze (9 patents)
- Manfred Hoppe (50 patents)
- Josef-Walter Stawitz (26 patents)
- Rolf Schulz (7 patents)
US Patent 5356444 · Granted Oct 18, 1994