Assignee
Inventors
- Franz Keutgen (10 patents)
- Heinz-Josef Leuwer (4 patents)
- Dieter Perings (7 patents)
- Joachim Von Schnakenburg (3 patents)
- Dietmar Zebrowski (2 patents)
- Peter Stadler (17 patents)
- Rudiger Winterhager (4 patents)
US Patent 5358028 · Granted Oct 25, 1994