Assignee
Inventors
- Georg J. Ullrich (10 patents)
- Karl-Heinz Pomorin (5 patents)
- Harald Kronberg (3 patents)
- Gunter W. Bramm (6 patents)
- Peter Koschke (2 patents)
- Pavel Novak (46 patents)
- Michael Gaab (4 patents)
US Patent 4805634 · Granted Feb 21, 1989