Assignee
Inventors
- Randall V. Sparer (18 patents)
- Darrel F. Untereker (27 patents)
- Elizabeth A. Ebner (1 patents)
- Thomas P. Grailer (2 patents)
- Brett Vegoe (5 patents)
- Hong S. Shim (9 patents)
- Carlos M. G. Duran (11 patents)
US Patent 6159240 · Granted Dec 12, 2000