Assignee
Inventors
- Theodor Reinhard (8 patents)
- Rolf Krugener (13 patents)
- Hermann W. Kurth (10 patents)
- Diether Blaich (1 patents)
- Franz Rothmaier (1 patents)
- Dieter Kopperschlager (1 patents)
- Heinz-Peter Schmitz (2 patents)
- Edgar Nill (1 patents)
US Patent 4292823 · Granted Oct 6, 1981