Assignee
Inventors
- Bryon W. Petschow (7 patents)
- Robert J. McMahon (20 patents)
- Glen R. Gibson (1 patents)
- Robert Rastall (10 patents)
- Renia Gemmell (4 patents)
- Maria Saarela (4 patents)
- Anna-Marja Aura (4 patents)
US Patent 7572474 · Granted Aug 11, 2009