Assignee
Inventors
- Unknown
- Dorman N. Thompson (5 patents)
- William H. Sheeler (1 patents)
- Alden R. Miles (18 patents)
- David C. Windorski (51 patents)
- Bruce W. Carlson (27 patents)
- Dennis L. Crawford (31 patents)
US Patent 5385230 · Granted Jan 31, 1995