Assignee
Inventors
- John D. Flaig (9 patents)
- Gene F. Baltz (26 patents)
- Henry C. Billingsley (14 patents)
- David J. Hartke (23 patents)
- James A. Holcomb (2 patents)
- Chester G. DuBois (26 patents)
- Dale L. Taipale (12 patents)
US Patent 4757792 · Granted Jul 19, 1988