Assignee
Inventors
- Robert A. Sporleder (1 patents)
- James C. Linden (3 patents)
- Herbert A. Schroeder (5 patents)
- Donald R. Johnson (23 patents)
- Linda L. Henk (1 patents)
- Robert P. Tengerdy (1 patents)
- George Szakacs (8 patents)
US Patent 6444437 · Granted Sep 3, 2002