Assignee
No assignee recorded.
Inventors
- Werner Ostertag (34 patents)
- Peter Dimroth (8 patents)
- Henning Wienand (9 patents)
- Egon Liedek (12 patents)
- Helmut Knittel (9 patents)
- Gunter Etzrodt (5 patents)
US Patent 4530725 · Granted Jul 23, 1985
No assignee recorded.