Assignee
Inventors
- Hans-Georg Betz (2 patents)
- Gregor A. Campbell (7 patents)
- Robert W. Conn (7 patents)
- Karl Matl (2 patents)
- Peter Sommerkamp (3 patents)
- Alfons Zoeller (2 patents)
- Dan M. Goebel (32 patents)
US Patent 5656141 · Granted Aug 12, 1997