Assignee
Inventors
- Paul F. Schubert (17 patents)
- Ralph E. Bonnell (6 patents)
- Norman L. Freeman, Jr. (2 patents)
- Denton C. Fentress (5 patents)
- Kent E. Mitchell (20 patents)
- Richard E. Lowery (13 patents)
- Dodnald H. Kubicek (1 patents)
US Patent 5237117 · Granted Aug 17, 1993