Assignee
Inventors
- Robert Howard Saunders (10 patents)
- Nicholas Ladutko (2 patents)
- Donald M. Johnson (4 patents)
- Frank I. Untermyer (3 patents)
- William P. Vassilopoulos (2 patents)
- Clifford Gunsallus (19 patents)
- William B. Hudak (10 patents)
US Patent 6294718 · Granted Sep 25, 2001