Assignee
Inventors
- Philip K. Zietlow (28 patents)
- Bernhard H. van Lengerich (69 patents)
- Mathew F. Langenfeld (8 patents)
- Terry G. Reishus (8 patents)
- James L. Stinson (8 patents)
- Gerald L. Wilson (8 patents)
- Michael A. Helser (5 patents)
US Patent 6793953 · Granted Sep 21, 2004