Assignee
Inventors
- Hans-Heinrich Welschof (43 patents)
- Peter Schwarzler (33 patents)
- Michael Ricks (11 patents)
- Norbert Hofmann (20 patents)
- Friedhelm John (6 patents)
- Hans Wormsbacher (4 patents)
- Dieter Burghardt (3 patents)
US Patent 5376049 · Granted Dec 27, 1994