Assignee
Inventors
- Jerry L. Alexander (17 patents)
- Daniel C. Egan (15 patents)
- Douglas W. Johnson (67 patents)
- Christopher J. Zwettler (23 patents)
- William J. Vanderheyden (57 patents)
- Albert E. Bass, Jr. (1 patents)
US Patent 6405957 · Granted Jun 18, 2002