Assignee
Inventors
- Melvin William Keller (4 patents)
- David Henry Diebold (3 patents)
- Steven L. Schmid (7 patents)
- Stanley P. Wellman (5 patents)
- Frederick Carl Krambeck (4 patents)
- Thomas D. Bebernes (24 patents)
US Patent 5778644 · Granted Jul 14, 1998