Assignee
Inventors
- Robert D. Jones (8 patents)
- Virgil L. Collins (9 patents)
- Marlin L. Johnson (18 patents)
- Randy J. Heller (2 patents)
- Jeffrey E. Errthum (2 patents)
- Jared L. Rowland (18 patents)
- Kenneth D. Goedken (24 patents)
US Patent 7871235 · Granted Jan 18, 2011