Assignee
Inventors
- Vernon M. Benson (33 patents)
- Dee R. Gill (11 patents)
- Boyd L. Hatch (8 patents)
- John A. Johnson (33 patents)
- Brian Moloney (2 patents)
- Noel I. Shepherd (5 patents)
- Keith G. Shupe (8 patents)
- William J. Weis (3 patents)
US Patent 5045147 · Granted Sep 3, 1991