Assignee
Inventors
- Ross K. Brown (4 patents)
- Raymond D. Thompson (3 patents)
- Terrill Wayne Woods (6 patents)
- Darrell L. Wright (2 patents)
- James M. Conner (10 patents)
- William E. Crookes (71 patents)
- William F. Purcell (1 patents)
US Patent 4392546 · Granted Jul 12, 1983