Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966440 | Post-exposure dye treatment in the production of holograms | Stephen R. Post | 1990-10-30 |
| 4826745 | Method of preparing a hologram | Trevor Groves | 1989-05-02 |
| 4816360 | Multicolor holograms using gelatin as the binder and method for producing the same | James Doyle, John A. Clark | 1989-03-28 |
| 4788115 | Processing holograms | William E. Long | 1988-11-29 |
| 4769300 | A method of preparing a hologram having an increased replay wavelength and resulting hologram | — | 1988-09-06 |
| 4769301 | Method of preparing holograms and the holograms prepared thereby | John Cawse | 1988-09-06 |
| 4748097 | Method of preparing a hologram | John A. Clark, Alan Adshead | 1988-05-31 |
| 4720441 | Method of preparing a hologram | John A. Clark, Alan Adshead | 1988-01-19 |