Assignee
Inventors
- Conly L. Hansen (19 patents)
- Carl S. Hansen (6 patents)
- Kevin D. Pack (4 patents)
- John C. Milligan (2 patents)
- Bradley C. Benefiel (5 patents)
- C. Wayne Tolman (1 patents)
- Kenneth W. Tolman (1 patents)
US Patent 7699976 · Granted Apr 20, 2010