Assignee
Inventors
- Klaus V. Ploetz (1 patents)
- Ludger Zangs (3 patents)
- Ralf Schneider (52 patents)
- Hannsgeorg Bauer (4 patents)
- Josef Otto (10 patents)
- Manfred Walter (53 patents)
- Helmut Meyer (59 patents)
- Erich Heinrich (1 patents)
US Patent 4401296 · Granted Aug 30, 1983