Assignee
No assignee recorded.
Inventors
- Richard O. Ratzel (62 patents)
- Joseph J. Harding (40 patents)
- Michael J. Lencoski (22 patents)
- James Simmons (2 patents)
- Donald J. Barnhouse (5 patents)
US Patent 6974407 · Granted Dec 13, 2005
No assignee recorded.