Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4900111 | Embossed holograms formed on hard metal surfaces | Salvatore F. D'Amato | 1990-02-13 |
| 4773718 | Holograms embossed into metal surfaces | Salvatore F. D'Amato | 1988-09-27 |
| 4725111 | Holograms embossed into metal surfaces | Salvatore F. D'Amato | 1988-02-16 |
| 4455039 | Encoded security document | Salvatore F. D'Amato, Robert M. Fleming, Manfred R. Kuehnle, C. Frederick W. Ekman, Jurgen M. Kruse +1 more | 1984-06-19 |
| 4313087 | Apparatus for detecting electrically conductive coatings on documents | Salvatore F. D'Amato | 1982-01-26 |