Assignee
Inventors
- Helmut Schmidt (180 patents)
- Werner Ostertag (34 patents)
- Hermann Bidlingmaier (4 patents)
- Norbert Mronga (55 patents)
- Unknown
- Claus Kaliba (4 patents)
- Raimund Schmid (39 patents)
- Raymond Ellinghoven (2 patents)
US Patent 5624487 · Granted Apr 29, 1997