Assignee
Inventors
- Robert W. Krutz, Jr. (1 patents)
- Grady L. Ripley (1 patents)
- Robert E. Simpson (1 patents)
- Ronald C. Hill (1 patents)
- Thomas W. Travis (2 patents)
- Thomas R. Morgan (4 patents)
- John W. Burns (1 patents)
US Patent 5537686 · Granted Jul 23, 1996