Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6713224 | Sound recording film | Vicky Sinn, Jean-Fabien Dupont | 2004-03-30 |
| 6458521 | Color photographic element containing coupler useful for forming neutral silver-based image | Philip T. S. Lau, Stephen P. Singer, Janet N. Younathan, Jerrold N. Poslusny, Anabisdally I. Bodden | 2002-10-01 |
| 6416943 | Color photographic element containing coupler useful for forming neutral silver-based image | Robert F. Romanet, Stephen P. Singer, Anabisdally I. Bodden | 2002-07-09 |
| 5478712 | Photographic elements protected against color contamination and dye stain | Stephen P. Singer | 1995-12-26 |