Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6120882 | Article with holographic and retroreflective features | Shih-Lai Lu | 2000-09-19 |
| 5866236 | Article with holographic and retroreflective features | Shih-Lai Lu | 1999-02-02 |
| 5683774 | Durable, tamper resistant security laminate | Douglas K. Fossum | 1997-11-04 |
| 5658411 | Durable security laminate with hologram | — | 1997-08-19 |
| 5656360 | Article with holographic and retroreflective features | Shih-Lai Lu | 1997-08-12 |
| 5629093 | Transparent multilayer film and its use for protection of data on documents as well as a tamper-proof label | Katharina J. Bischof, Luigi Pastore, Wilhelm Kuester | 1997-05-13 |
| 5510171 | Durable security laminate with hologram | — | 1996-04-23 |
| 5169707 | Retroreflective security laminates with dual level verification | Douglas K. Fossum, Wallace K. Bingham | 1992-12-08 |
| 5080463 | Retroreflective security laminates with protective cover sheets | Wallace K. Bingham | 1992-01-14 |