Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992346 | Production of holograms | Peter Blum, Stephen Postle, Alan Hodgson | 1991-02-12 |
| 4977047 | Method of preparing a hologram | Alan Hodgson, Peter Blum, Stephen Postle | 1990-12-11 |