Assignee
Inventors
- Gary L. Bourne (2 patents)
- David H. Meikrantz (20 patents)
- Walter E. Ely (1 patents)
- Dale G. Tuggle (2 patents)
- Ervin G. Grafwallner (3 patents)
- Keith L. Wickham (1 patents)
- Herman R. Maltrud (1 patents)
- John D. Baker (11 patents)
US Patent 5080693 · Granted Jan 14, 1992