Assignee
Inventors
- Peter Jochum (36 patents)
- Oswald Gasser (42 patents)
- Manfred Holupirek (2 patents)
- Erich Wanek (28 patents)
- Rainer Guggenberger (45 patents)
- Klaus-Peter Stefan (8 patents)
- Klaus Ellrich (20 patents)
US Patent 5147904 · Granted Sep 15, 1992