Assignee
Inventors
- Keith Cletus Belsom (25 patents)
- Abdul-Azeez Mohammed-Fakir (25 patents)
- Calvin Levy Sims (9 patents)
- Charles E. Steber (15 patents)
- Daniel R. Tegel (4 patents)
- Henry Joe Wiersma (2 patents)
US Patent 6216442 · Granted Apr 17, 2001