Assignee
Inventors
- Douglas L. Osterfeld (10 patents)
- Craig A. Osterday (14 patents)
- Omer C. Denney (2 patents)
- James D. Keaton (2 patents)
- David E. Staeuble (2 patents)
- Larry C. A. Studebaker (2 patents)
- William Lee Van Doren (4 patents)
US Patent 5290120 · Granted Mar 1, 1994