Assignee
Inventors
- Unknown
- Wolfgang Bender (18 patents)
- Dieter Habich (32 patents)
- Hans-Georg Heine (45 patents)
- Siegfried Raddatz (42 patents)
- Wolfgang Roben (4 patents)
- Jutta Hansen (14 patents)
- Arnold Paessens (30 patents)
US Patent 5492918 · Granted Feb 20, 1996