Assignee
Inventors
- Andrew Sparks (32 patents)
- Brian K. Kay (25 patents)
- Judith M. Thorn (4 patents)
- Lawrence A. Quilliam (4 patents)
- Channing J. Der (10 patents)
- Dana M. Fowlkes (30 patents)
- James E Rider (2 patents)
US Patent 6432920 · Granted Aug 13, 2002