Assignee
Inventors
- Paul Muller (14 patents)
- Thomas Buschhardt (17 patents)
- Heinrich Hennhofer (3 patents)
- Norbert Sickmann (1 patents)
- Rainer Neumann (67 patents)
- Franz Mangs (2 patents)
- Manfred Thurner (3 patents)
- Klaus Rottger (3 patents)
US Patent 5980361 · Granted Nov 9, 1999