Assignee
Inventors
- Richard Krabetz (17 patents)
- Walter Herrmann (11 patents)
- Norbert Scholz (11 patents)
- Heinz Engelbach (11 patents)
- Gerd-Juergen Engert (4 patents)
- Carl-Heinz Willersinn (3 patents)
- Gerd Duembgen (13 patents)
- Fritz Thiessen (6 patents)