Assignee
Inventors
- Richard Allen Kreifeldt (37 patents)
- John Lee (20 patents)
- William A. Plunkett (6 patents)
- Timothy Shuttleworth (11 patents)
- Andrew Stevenson (28 patents)
- Unknown
- Howard Scott Zollinger (4 patents)
US Patent 8249071 · Granted Aug 21, 2012