Assignee
Inventors
- Robert L. Wernli (4 patents)
- Steven J. Cowen (18 patents)
- Jimmy L. Held (6 patents)
- Gerald R. Mackelburg (7 patents)
- Donald M. Rosencrantz (1 patents)
- Aaron R. Braun (1 patents)
- Gary D. Murphy (1 patents)
US Patent 6961657 · Granted Nov 1, 2005