Assignee
No assignee recorded.
Inventors
- Bruce E. Stangeland (16 patents)
- David C. Kramer (28 patents)
- David S. Smith (48 patents)
- James T. McCall (6 patents)
- Unknown
- Robert W. Bachtel (20 patents)
- David Johnson (71 patents)
US Patent 5498327 · Granted Mar 12, 1996
No assignee recorded.