Assignee
Inventors
- Heinz U. Blank (90 patents)
- Friedrich-Wilhelm Ullrich (6 patents)
- Karlheinrich Meisel (12 patents)
- Willi Streicher (7 patents)
- Nikolaus Schulz (1 patents)
- Dieter Irmscher (2 patents)
- Gunther Klag (2 patents)
US Patent 5179211 · Granted Jan 12, 1993