Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927021 | Photographic developing composition and use thereof in the development of a photographic element | Paul M. Magee, Brian Parker | 2005-08-09 |
| 6764814 | Photographic developing composition and use thereof in the development of a photographic element | Paul M. Magee, Brian Parker | 2004-07-20 |
| 5298362 | Photographic high-contrast silver halide materials | David Beaumond, Philip J. Coldrick | 1994-03-29 |
| 5013642 | Photographic element | Annabel A. Muenter, Anthony Adin, Richard L. Parton, David Beaumond | 1991-05-07 |