Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814263 | Direct-positive silver halide emulsion | — | 1989-03-21 |
| 4430426 | Stabilization of silver halide emulsions | George W. Beebe, Nelson B. O'Bryan, Steven M. Shor | 1984-02-07 |