Assignee
Inventors
- Otto M. Ilg (31 patents)
- Dominick A. Burlone (17 patents)
- William Theuer (1 patents)
- Heinz Berbner (15 patents)
- Gernot Herbst (2 patents)
- Karl-Heinz Ott (157 patents)
- Hans D. Zettler (22 patents)
US Patent 5560990 · Granted Oct 1, 1996