Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533884 | Method and system for extrusion embossing | — | 2003-03-18 |
| 5838466 | Hidden Holograms and uses thereof | — | 1998-11-17 |
| 5411296 | Non-continuous holograms, methods of making them and articles incorporating them | — | 1995-05-02 |
| 5145212 | Non-continuous holograms, methods of making them and articles incorporating them | — | 1992-09-08 |
| 5142383 | Holograms with discontinuous metallization including alpha-numeric shapes | — | 1992-08-25 |
| 5128779 | Non-continuous holograms, methods of making them and articles incorporating them | — | 1992-07-07 |
| 5116548 | Replicaton of microstructures by casting in controlled areas of a substrate | Salvatore F. D'Amato | 1992-05-26 |
| 5085514 | Technique of forming a separate information bearing printed pattern on replicas of a hologram or other surface relief diffraction pattern | Salvatore F. D'Amato | 1992-02-04 |
| 5083850 | Technique of forming a separate information bearing printed pattern on replicas of a hologram or other surface relief diffraction pattern | Salvatore F. D'Amato | 1992-01-28 |
| 5071597 | Plastic molding of articles including a hologram or other microstructure | Salvatore F. D'Amato | 1991-12-10 |
| 5044707 | Holograms with discontinuous metallization including alpha-numeric shapes | — | 1991-09-03 |
| 4921319 | Surface relief hologram structure with reflection from an air interface | — | 1990-05-01 |