Assignee
Inventors
- Bernhard Wolf (3 patents)
- Bernhard Will (2 patents)
- Werner Obrecht (99 patents)
- Rudolf Casper (13 patents)
- Wolfgang Baade (11 patents)
- Gerd Sylvester (24 patents)
- Kurt P. Meurer (15 patents)
- Hugo Zimmermann (2 patents)
US Patent 4937303 · Granted Jun 26, 1990