Assignee
No assignee recorded.
Inventors
- Patricia A. Spears (12 patents)
- Tobin Hellyer (29 patents)
- Lucy Ellen DesJardin (2 patents)
- Mac Donald Cave (2 patents)
- Kathleen D. Eisenach (5 patents)
US Patent 6156508 · Granted Dec 5, 2000
No assignee recorded.