Assignee
Inventors
- Stephan Kleppner (20 patents)
- Kurt Frank (71 patents)
- Ansgar Seitz (5 patents)
- Hannelore Scheerer (1 patents)
- Guenter-Paul Ballier (3 patents)
- Rolf Fischerkeller (9 patents)
- Wolfgang Wuerl (3 patents)
US Patent 5564397 · Granted Oct 15, 1996