Assignee
Inventors
- Ronald J. Olwert (8 patents)
- Frederic F. Ahlgren (25 patents)
- Laverne E. Walsh (2 patents)
- Donald R. Schindler (11 patents)
- Rolf S. Bergman (18 patents)
- Gary L. Price (2 patents)
- Curtis E. Scott (49 patents)
US Patent 5404069 · Granted Apr 4, 1995