Assignee
Inventors
- Yuan-Sheng Tyan (71 patents)
- Thomas R. Cushman (19 patents)
- Giuseppe Farruggia (20 patents)
- George R. Olin (10 patents)
- Bruno Primerano (15 patents)
- Fridrich Vazan (38 patents)
- James A. Barnard (22 patents)
US Patent 6497988 · Granted Dec 24, 2002