Assignee
Inventors
- Kurt A. Grunert (35 patents)
- William E. Beatty, Jr. (36 patents)
- David H. Groves (4 patents)
- David Olszewski (19 patents)
- James P. Ellsworth (7 patents)
- H. Richard Beck (9 patents)
- Jere L. McKee (17 patents)
US Patent 6061217 · Granted May 9, 2000