Assignee
Inventors
- Klaus Wilhelm (6 patents)
- Johann Bauer (20 patents)
- Werner Schmitt (37 patents)
- Wolf-Dietrich Herold (36 patents)
- Peter Koran (11 patents)
- Erich Wanek (28 patents)
- Oswald Gasser (42 patents)
US Patent 4978359 · Granted Dec 18, 1990