Assignee
No assignee recorded.
Inventors
- Jacob Bar-Tana (10 patents)
- Ernst-Christian Witte (18 patents)
- Bernd Hagenbruch (3 patents)
- Johannes Pill (11 patents)
- Karlheinz Stegmeier (15 patents)
US Patent 4711896 · Granted Dec 8, 1987
No assignee recorded.