Assignee
Inventors
- Emery N. Ward (1 patents)
- Michael R. Smith (82 patents)
- Frank B. Stamps (212 patents)
- David A. Haynie (7 patents)
- Terry K. Thompson (7 patents)
- David P. Shipman (1 patents)
- James A. Wilson (15 patents)
US Patent 8602400 · Granted Dec 10, 2013