Assignee
Inventors
- John Michael Friel (16 patents)
- John William Hook, III (11 patents)
- Bernhard Helmut Lieser (6 patents)
- Jerry William Washel (8 patents)
- Dennis Paul Lorah (33 patents)
- Donald Craig Schall (17 patents)
- Ann R. Hermes (20 patents)
US Patent 6689824 · Granted Feb 10, 2004