Assignee
Inventors
- Harry G. Derks (14 patents)
- Nicholas W. Medendrop (1 patents)
- Michael J. Mc Kanna (1 patents)
- Hugh D. Harper (1 patents)
- William S. Buehler (14 patents)
- Patrick L. Moody (1 patents)
- Thomas H. Morell (7 patents)
US Patent 6021119 · Granted Feb 1, 2000