Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003386 | Preparation of a copy hologram with a light modulating array derived from a master hologram | James Doyle | 1991-03-26 |
| 4915464 | Reflection holograms and the replication thereof | — | 1990-04-10 |