Assignee
Inventors
- Gunter Trummlitz (26 patents)
- Wolfhard Engel (51 patents)
- Gunther Schmidt (80 patents)
- Wolfgang Eberlein (53 patents)
- Ernst Seeger (7 patents)
- Gunther Engelhardt (18 patents)
- Rainer Zimmermann (13 patents)
US Patent 4328235 · Granted May 4, 1982