Assignee
Inventors
- Philip E. Rollhaus (4 patents)
- John R. Powell (20 patents)
- Eric J. Carlson (14 patents)
- Daniel J. Ehntholt (4 patents)
- Irwin C. Winkler (4 patents)
- Christopher J. Marmo (4 patents)
- James R. Valentine (4 patents)
US Patent 6011772 · Granted Jan 4, 2000