Assignee
Inventors
- Robert Schmeltzer (1 patents)
- Susan F. Donaldson (25 patents)
- Kevin C. Olson (27 patents)
- Kurt G. Olson (92 patents)
- John E. Schwendeman (15 patents)
- Dennis A. Simpson (46 patents)
- Frank C. Williams (5 patents)
US Patent 8563648 · Granted Oct 22, 2013