Assignee
Inventors
- Gregory F. King (19 patents)
- John S. Huizinga (23 patents)
- James N. Dobbs (35 patents)
- Luther E. Erickson (12 patents)
- Daniel H. Carlson (29 patents)
- Dale L. Ehnes (36 patents)
- Gary A. Shreve (10 patents)
US Patent 6991717 · Granted Jan 31, 2006