Assignee
Inventors
- John W. Henson (5 patents)
- Daniel Horne (3 patents)
- Donald McIntosh (3 patents)
- Walter J. Ferguson (15 patents)
- John H. Bailey (14 patents)
- Philip E. Butler (1 patents)
- Douglas H. Beyer (10 patents)
US Patent 7140257 · Granted Nov 28, 2006