Assignee
Inventors
- Roger L. Boydstun (5 patents)
- Robert W. Helt (32 patents)
- Gordon Jeffrey Hugghins (15 patents)
- Carl L. Garrett (18 patents)
- Daniel John Blair (12 patents)
- Robert G. Royoroft (1 patents)
- Timothy Wayne Storm (15 patents)
US Patent 7975494 · Granted Jul 12, 2011