Assignee
Inventors
- James A. Schwindeman (76 patents)
- Robert C. Morrison (39 patents)
- B. Troy Dover (17 patents)
- John F. Engel (57 patents)
- Conrad W. Kamienski (53 patents)
- Randy W. Hall (22 patents)
- Douglas E. Sutton (5 patents)
US Patent 5332533 · Granted Jul 26, 1994