Assignee
Inventors
- Harold Atkins (5 patents)
- John Bell (29 patents)
- Conrad J. Heilman, Jr. (3 patents)
- Brian Lichty (10 patents)
- Robert M. Lorence (12 patents)
- Michael Roberts (15 patents)
- David F. Stojdl (13 patents)
US Patent 7192580 · Granted Mar 20, 2007