Assignee
Inventors
- Elli Rauscher (11 patents)
- Ulrich Neumann (14 patents)
- August W. Wahlefeld (10 patents)
- Alexander Hagen (8 patents)
- Wolfgang Gruber (38 patents)
- Joachim Ziegenhorn (40 patents)
- Eugen Schaich (5 patents)
- Ulfert Deneke (19 patents)
US Patent 5108913 · Granted Apr 28, 1992