Assignee
Inventors
- Hermann Buchert (11 patents)
- Gerhard Heinz (61 patents)
- Peter Ittemann (36 patents)
- Michael Kopietz (39 patents)
- Juergen Koch (30 patents)
- Wolfgang Eberle (20 patents)
- Hartmut Zeiner (14 patents)
US Patent 4981895 · Granted Jan 1, 1991