Assignee
Inventors
- David B. Engmark (14 patents)
- Thomas Ceballos (6 patents)
- Richard A. Bruchmann (8 patents)
- Kevin K. Tidemand (9 patents)
- George Patras (24 patents)
- Todd Schaefer (6 patents)
- Robert L. Olson (26 patents)
US Patent 6721602 · Granted Apr 13, 2004