Assignee
Inventors
- Robert J. Maron (34 patents)
- Guy A. Daigle (22 patents)
- James Dunphy (83 patents)
- Thomas Engel (22 patents)
- John J. Grunbeck (45 patents)
- Mark R. Fernald (92 patents)
- Charles W. Helm (5 patents)
US Patent 6317555 · Granted Nov 13, 2001