Assignee
Inventors
- Siegfried Goldmann (98 patents)
- Friedrich Bossert (17 patents)
- Hans J. Ahr (3 patents)
- Hilmar Bischoff (99 patents)
- Walter Puls (18 patents)
- Dieter Petzinna (27 patents)
- Klaus Schlossmann (10 patents)
- Joachim Bender (6 patents)
US Patent 4721719 · Granted Jan 26, 1988