Assignee
Inventors
- Trent Turner Packham (3 patents)
- Francis J. Lombardi, III (24 patents)
- Leonard L. Hofheins (23 patents)
- Gregg D. Niven (24 patents)
- Robert J. Elshof (8 patents)
- Raymond Townsend (9 patents)
- Richard W. Cairns (15 patents)
US Patent 7806139 · Granted Oct 5, 2010