Assignee
Inventors
- John D. Burr (14 patents)
- Adrian Edward Smith (31 patents)
- Randy K. Hall (19 patents)
- Herman E. Snyder (29 patents)
- Carlos Schuler (28 patents)
- George S. Axford (13 patents)
- Charles Ray (4 patents)
US Patent 6257233 · Granted Jul 10, 2001