Assignee
No assignee recorded.
Inventors
- Unknown
- Unknown
- Ulrich Walter (21 patents)
- Unknown
- Unknown
- Unknown
- Jürgen Schulze (5 patents)
- Unknown
- Otto Pulz (2 patents)
- Unknown
- Unknown
- Unknown
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US Patent 4692340 · Granted Sep 8, 1987
No assignee recorded.