Assignee
Inventors
- Donald S. Berkowitz (13 patents)
- Witold Bik (7 patents)
- John Hammons (2 patents)
- Jeff Heckathorn (2 patents)
- Stephen F. Isaacson (2 patents)
- Terry R. Klusmeyer (2 patents)
- William Christian Tracy Nelson (12 patents)
US Patent 6456025 · Granted Sep 24, 2002