Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432358 | Diagnostic assay device | Philip R. Norris, Peter H. Roth | 2002-08-13 |
| 6221554 | Self developing-film unit | Philip R. Norris, Harry R. Parsons, William T. Plummer, Donald W. Preissler | 2001-04-24 |
| 6184040 | Diagnostic assay system and method | Leonard Polizzotto, Thomas Demerle, II, James Murphy, Peter H. Roth, Philip R. Norris | 2001-02-06 |