Assignee
Inventors
- John Joseph Wetzel (5 patents)
- Curtis B. Hemann (2 patents)
- Jeffrey L. Hall (37 patents)
- Frank J. DeBoer (1 patents)
- Michael A. Spicer (2 patents)
- Steven D. Huegen (1 patents)
- Timothy Brennan (10 patents)
US Patent 6543197 · Granted Apr 8, 2003