Assignee
Inventors
- Wayne R. Hutchison (28 patents)
- Jon M. Patterson (26 patents)
- Terry D. Hardesty (8 patents)
- Richard D. Teal (27 patents)
- Eugene Gary Hayes (17 patents)
- Michael J. Coffey (10 patents)
- Earl T. Moore (8 patents)
US Patent 5181688 · Granted Jan 26, 1993