Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6114281 | Method and compositions for authenticating a product or document | JoAnn Silknitter, Kevin Bruce Stevenson, Terry Stovold | 2000-09-05 |
| 5786509 | Method and compositions for authenticating a product or document | JoAnn Silknitter, Kevin Bruce Stevenson, Terry Stovold | 1998-07-28 |
| 5595590 | Method and compositions for authenticating a product or document | JoAnn Silknitter, Kevin Bruce Stevenson, Terry Stovold | 1997-01-21 |