Assignee
Inventors
- Gregory R. Maes (14 patents)
- Dennis Connor (4 patents)
- Brent D. Freiner (3 patents)
- Clifford W. Karl (7 patents)
- Ron Robinson (20 patents)
- Raymond Shelton (3 patents)
- Garry R. Tegeler (10 patents)
- Michael James Justin (12 patents)
US Patent 6136270 · Granted Oct 24, 2000