Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246061 | Counterfeit-resistant materials and a method and apparatus for authenticating materials | J. Michael Ramsey | 2001-06-12 |
| 6035914 | Counterfeit-resistant materials and a method and apparatus for authenticating materials | J. Michael Ramsey | 2000-03-14 |