Assignee
Inventors
- Bernhard Albrecht (5 patents)
- Hans-Helmut Frey (3 patents)
- Vinzenz Habermacher (2 patents)
- Horst Behre (32 patents)
- Lutz Kienitz (2 patents)
- Wolfgang Schenk (7 patents)
- Guido Steffan (38 patents)
- Axel Vogel (5 patents)
US Patent 4348334 · Granted Sep 7, 1982