Assignee
Inventors
- Hubert Barth (18 patents)
- Johannes Hartenstein (38 patents)
- Claus Rudolph (13 patents)
- Christoph Schachtele (14 patents)
- Hans-Jurgen Betche (8 patents)
- Reinhard Reck (5 patents)
- Hartmut Osswald (18 patents)
US Patent 5516915 · Granted May 14, 1996