Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688738 | Security card and method for making same | — | 1997-11-18 |
| 5670096 | Retroreflective article comprising a transparent base sheet and nacreous pigment coating, method for making such a base sheet, and method for making a forming master | — | 1997-09-23 |
| 5656360 | Article with holographic and retroreflective features | Lynn E. Faykish | 1997-08-12 |
| 5591527 | Optical security articles and methods for making same | — | 1997-01-07 |