Assignee
Inventors
- Anthony J. Tuka (1 patents)
- David I. Biesemeier (1 patents)
- Brian J. Moreland (1 patents)
- Nick A. Yerbick (1 patents)
- Unknown
- Nels P. Sale (1 patents)
- Larry Roberts (2 patents)
- Roger A. Hahn (35 patents)
US Patent 5001919 · Granted Mar 26, 1991