Assignee
Inventors
- Shawn T. Walsh (10 patents)
- John E. Campbell (62 patents)
- James B. Friedmann (7 patents)
- Thomas Parrill (7 patents)
- Der'E Jan (3 patents)
- Joshua Robbins (3 patents)
- Byron T. Ahlburn (3 patents)
- Sue Crank (12 patents)
US Patent 6228741 · Granted May 8, 2001