Assignee
Inventors
- Joachim Siedel (26 patents)
- Ulrich Neumann (14 patents)
- Joachim Ziegenhorn (40 patents)
- Hans-George Batz (2 patents)
- Helmut Lenz (63 patents)
- Brigitte Pautz (5 patents)
- Winfried Albert (28 patents)
US Patent 4485177 · Granted Nov 27, 1984