Assignee
Inventors
- Dieter Volkmer (1 patents)
- Peter Schey (1 patents)
- Herbert Plotz (2 patents)
- Franz Langhauser (48 patents)
- Unknown
- Hans-Josef Klein (1 patents)
- Michael Bergner (2 patents)
- Jurgen Oelze (2 patents)
US Patent 6149295 · Granted Nov 21, 2000