Assignee
Inventors
- Gregg M. Levin (15 patents)
- Benjamin Beck (43 patents)
- Glen V. Walter (42 patents)
- Ulrike A. Graf (1 patents)
- Jeffrey Michael (16 patents)
- Samuel B. Breneman (1 patents)
- David Harting (36 patents)
- Douglas A. Marsden (69 patents)
US Patent 6223910 · Granted May 1, 2001