Assignee
Inventors
- Howard T. Powell (4 patents)
- Michael O. Riley (1 patents)
- Charles Wolfe (11 patents)
- Richard E. Lyon (8 patents)
- John H. Campbell (8 patents)
- Edward S. Jessop (2 patents)
- James E. Murray (5 patents)
US Patent 4849036 · Granted Jul 18, 1989