Assignee
Inventors
- Alfred Eckert (48 patents)
- Benno Lammen (3 patents)
- Peter Wanke (9 patents)
- Karl-Friedrick Worsdorfer (2 patents)
- Thomas Geiger (15 patents)
- Johannes Graber (8 patents)
- Stefan Drumm (48 patents)
US Patent 5694321 · Granted Dec 2, 1997