Assignee
No assignee recorded.
Inventors
- Unknown
- Kenneth Gillett (4 patents)
- Charles P. Holt (4 patents)
- Andrew Ling (18 patents)
- Richard M. Malinich (2 patents)
- Frank M. Nelson (5 patents)
US Patent 4190350 · Granted Feb 26, 1980
No assignee recorded.