Assignee
Inventors
- Bernd Wenderoth (51 patents)
- Siegbert Brand (33 patents)
- Franz Schuetz (28 patents)
- Thomas Kuekenhoehner (63 patents)
- Franz Roehl (37 patents)
- Eberhard Ammermann (454 patents)
- Gisela Lorenz (377 patents)
US Patent 5334577 · Granted Aug 2, 1994