Assignee
No assignee recorded.
Inventors
- Adele E. Ward (3 patents)
- J. R. Kingsley Ward (3 patents)
- Kevin R. Lunau (28 patents)
- Jeffrey D. Stringer (2 patents)
- John H. Royce (3 patents)
- A. Edward Moore (6 patents)
US Patent 4893826 · Granted Jan 16, 1990
No assignee recorded.