Assignee
Inventors
- David Carroll Challener (134 patents)
- Garry Michael Kump (2 patents)
- Francis Noel (32 patents)
- David R. Safford (47 patents)
- Douglas Lee Schales (39 patents)
- Leendert Peter Van Doorn (20 patents)
US Patent 7380268 · Granted May 27, 2008