Assignee
Inventors
- Byron W. Petschow (1 patents)
- Robert J. McMahon (20 patents)
- Glenn R. Gibson (10 patents)
- Robert Rastall (10 patents)
- Renia Gemmell (4 patents)
- Maria Saarela (4 patents)
- Anna-Marja Aura (4 patents)
US Patent 8021708 · Granted Sep 20, 2011