Assignee
No assignee recorded.
Inventors
- Thomas E. Armiger (6 patents)
- David H. Edison (8 patents)
- Herbert G. Lauterbach (10 patents)
- James R. Layton (7 patents)
- Richard K. Okine (11 patents)
US Patent 4863780 · Granted Sep 5, 1989
No assignee recorded.