Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334483 | Diffusion transfer receiver | Julie Baker, Colin Gray | 1994-08-02 |
| 5322759 | Photographic donor material with non-photosensitive silver halide layer useful in a silver salt diffusion transfer process | David A. Hallbery, Roger J. Owers | 1994-06-21 |
| 5308746 | Silver image bleaching solution and process | Colin Gray, Jeffrey K. Green, David A. Hallbery, Julie Baker | 1994-05-03 |