Assignee
Inventors
- Donald G. Hill (14 patents)
- Margaret D'Aversa (5 patents)
- Ilya Koyfman (40 patents)
- Ralph Louis Spengler (2 patents)
- Crawford R. Britt (3 patents)
- Robert J. Cerwin (84 patents)
- Hal Brent Woodrow (4 patents)
US Patent 6045571 · Granted Apr 4, 2000