Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981159 | Photographic material | Ralph B. Nielsen, Brian Thomas | 1999-11-09 |
| 5594047 | Method for forming photographic dispersions comprising loaded latex polymers | Ralph B. Nielsen, Thomas A. Rosiek, James S. Honan, Hwei-Ling Yau | 1997-01-14 |