Assignee
Inventors
- Roger P. Berry (4 patents)
- Daniel F. Lawless (11 patents)
- Stephen C. Cayson (3 patents)
- Lamar M. Auman (3 patents)
- J. C. Dunaway (3 patents)
- Mark D. Dixon (1 patents)
- David A. Gibson (49 patents)
US Patent 6646242 · Granted Nov 11, 2003