Assignee
Inventors
- John A. Ramthun (6 patents)
- Steven P. Floeder (30 patents)
- Arthur T. Manning (2 patents)
- Lanny L. Harklau (6 patents)
- Gregory D. Kostuch (6 patents)
- Jack W. Lai (10 patents)
- Wenyuan Xu (12 patents)
US Patent 6252237 · Granted Jun 26, 2001