Assignee
Inventors
- Wolfgang Heinrich Alberstadt (3 patents)
- Christian Compera (21 patents)
- Andreas Dickhoff (25 patents)
- Karlheinz Groeninger (1 patents)
- Gregory L. Kowalski (13 patents)
- James D. Shifley (48 patents)
US Patent 6615722 · Granted Sep 9, 2003