Assignee
Inventors
- Sara A. Currie (4 patents)
- Thomas W. Miller (6 patents)
- Eugene L. Dulaney (5 patents)
- James P. Springer (3 patents)
- Mary E. Valiant (6 patents)
- Sagrario M. Del Val (11 patents)
- Sheldon B. Zimmerman (18 patents)
US Patent 4960698 · Granted Oct 2, 1990