Assignee
Inventors
- Eckart Frankenberger (24 patents)
- Michael Gieser (18 patents)
- Peter Hachmann (36 patents)
- Karl-Heinz Helmstadter (39 patents)
- Christian Hieb (17 patents)
- Ruben Schmitt (11 patents)
- Gunter Stephan (45 patents)
US Patent 6663550 · Granted Dec 16, 2003