Assignee
Inventors
- Dennis Steven DeLorme (5 patents)
- Mark Holm (2 patents)
- Wilson D. Lee (7 patents)
- Peter B. Passe (2 patents)
- Gary R. Ricard (61 patents)
- George D. Timms, Jr. (6 patents)
- Larry William Youngren (15 patents)
US Patent 4819156 · Granted Apr 4, 1989