Assignee
No assignee recorded.
Inventors
- Ralf Braun (44 patents)
- Wolfgang Schaper (32 patents)
- Werner Knauf (49 patents)
- Ulrich Sanft (17 patents)
- Manfred Kern (38 patents)
- Werner Bonin (31 patents)
US Patent 6207668 · Granted Mar 27, 2001
No assignee recorded.