Assignee
No assignee recorded.
Inventors
- Joseph R. Baker (6 patents)
- Wesley A. Golland (3 patents)
- Paul A. Mullens (2 patents)
- Roger B. Trimble (3 patents)
- Charles W. Giebelhausen (2 patents)
US Patent 4977502 · Granted Dec 11, 1990
No assignee recorded.