Assignee
No assignee recorded.
Inventors
- David R. Cramer (9 patents)
- Neal J. Beidleman (18 patents)
- Colin R. Chapman (4 patents)
- Don O. Evans (8 patents)
- Michael K. Passmore (4 patents)
- Michael L. Skinner (4 patents)
US Patent 8414729 · Granted Apr 9, 2013
No assignee recorded.