Assignee
Inventors
- Otto Heinemann (32 patents)
- Helmut Lucke (21 patents)
- Hubert Grothaus (4 patents)
- Helmut Krumme (7 patents)
- Leonhard Linzel (1 patents)
- Werner Schossler (4 patents)
- Burkhard Heiringhoff (4 patents)
US Patent 4465383 · Granted Aug 14, 1984