Assignee
Inventors
- Helmut Stahle (24 patents)
- Herbert Koppe (34 patents)
- Werner Kummer (24 patents)
- Wolfgang Hoefke (25 patents)
- Wolfram Gaida (21 patents)
- Ludwig Pichler (25 patents)
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Skip to contentUS Patent 4293564 · Granted Oct 6, 1981