Assignee
Inventors
- J. David Tenny (2 patents)
- Jeff Piazza (4 patents)
- Gary L. Brown (35 patents)
- Paul C. Anagnostropoulos (1 patents)
- Bruce A. Foster (8 patents)
- Beryl E. Nelson (2 patents)
- Walter van Roggen (2 patents)
US Patent 5051893 · Granted Sep 24, 1991