Assignee
Inventors
- Trevor Skelly (33 patents)
- James Randy Penley (6 patents)
- Alexander Grauls (3 patents)
- Edgar Kinnier (1 patents)
- Glenn A. Johnson (61 patents)
- Michael M. Princip (24 patents)
- Gary McKelvey (1 patents)
US Patent 7530631 · Granted May 12, 2009