Assignee
No assignee recorded.
Inventors
- Frank K. Schweighardt (30 patents)
- Webb I. Bailey (11 patents)
- John T. Lileck (9 patents)
- John K. Graybill (7 patents)
- Eugene George Lutz (9 patents)
US Patent 4885414 · Granted Dec 5, 1989
No assignee recorded.