Assignee
Inventors
- Ruediger Hess (6 patents)
- Wilfried Kuhl (7 patents)
- Leonhard Klug (2 patents)
- Wolfgang Schilling (5 patents)
- Peter Trentin (1 patents)
- Heribert Weber (86 patents)
- Wolfgang Schlenk (2 patents)
- Heinz-Helmut Schramm (2 patents)
US Patent 4906935 · Granted Mar 6, 1990