Assignee
Inventors
- Friedhelm Adam (5 patents)
- Walter Durckheimer (33 patents)
- Gerd Fischer (12 patents)
- Burkhard Mencke (4 patents)
- Gerhard Seibert (36 patents)
- Dieter Isert (13 patents)
- Norbert Klesel (2 patents)
US Patent 5306717 · Granted Apr 26, 1994