Assignee
Inventors
- Richard E. Stenger (7 patents)
- William C. Lippmeier (9 patents)
- Joseph S. Alford (1 patents)
- David Orus Fitts (19 patents)
- Malachi Lawrence, Jr. (2 patents)
- Keith A. Williams (19 patents)
- Douglas Marti Fortuna (13 patents)
US Patent 5101533 · Granted Apr 7, 1992