Assignee
Inventors
- Herbert Bayer (90 patents)
- Heinz Isak (18 patents)
- Horst Wingert (49 patents)
- Hubert Sauter (305 patents)
- Michael Keil (121 patents)
- Markus Nett (3 patents)
- Remy Benoit (13 patents)
- Ruth Muller (50 patents)
US Patent 5856560 · Granted Jan 5, 1999