Assignee
Inventors
- Hans-Georg von Schnering (5 patents)
- Winfried Becker (8 patents)
- Martin Schwarz (28 patents)
- Bernhard Hettich (3 patents)
- Martin Hartweg (31 patents)
- Leonhard Walz (15 patents)
- Thomas D. Popp (8 patents)
US Patent 5703021 · Granted Dec 30, 1997