Assignee
Inventors
- Willi Hofen (40 patents)
- Herbert Klenk (22 patents)
- Gerd Schreyer (15 patents)
- Otto Weiberg (3 patents)
- Helmut Waldmann (52 patents)
- Hermann Seifert (18 patents)
- Karl-Hermann Reissinger (2 patents)
- Wolfgang Swodenk (6 patents)
US Patent 4341709 · Granted Jul 27, 1982