Assignee
Inventors
- Robert O. Keys (24 patents)
- Floyd E. Friedli (7 patents)
- Damon M. Dalrymple (3 patents)
- Monna Manning (4 patents)
- Craig Poffenberger (3 patents)
- David E. Whittlinger (7 patents)
- Wangqi Hou (4 patents)
US Patent 6211139 · Granted Apr 3, 2001