Assignee
Inventors
- Kenneth D. Graham (7 patents)
- Bernie Allen (22 patents)
- Michael P. Kirk (14 patents)
- Stephen A. Francis (18 patents)
- Edward Tavino (4 patents)
- Kenton D. Geer (21 patents)
- Gary J. Troy (15 patents)
US Patent 5561920 · Granted Oct 8, 1996