Assignee
Inventors
- Albert F. Stevens (18 patents)
- Robert R. DeWitt (85 patents)
- James G. Robertson (6 patents)
- Jeffrey L. Chodack (10 patents)
- Ilya Chachkes (1 patents)
- Marjory A. McCahill (1 patents)
- George Hayduchok (44 patents)
US Patent 5810173 · Granted Sep 22, 1998