Assignee
Inventors
- Craig D. Watson (2 patents)
- Mary C. Eastman (2 patents)
- David D. Woods (5 patents)
- John P. Carrera (2 patents)
- James R. Easter (27 patents)
- Melvin H. Lipner (14 patents)
- William C. Elm (7 patents)
- A. Dean Mundy (2 patents)
US Patent 4902469 · Granted Feb 20, 1990