Assignee
Inventors
- Lothar Aberle (2 patents)
- Walter Bank (2 patents)
- Franz Hillenkamp (15 patents)
- Raimund Kaufmann (5 patents)
- Rainer Nitsche (11 patents)
- Eberhard Unsold (13 patents)
- Reiner Wechsung (6 patents)
US Patent 4204117 · Granted May 20, 1980