Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677116 | Photographic silver halide element having polyester support and exhibiting improved dry adhesion | Paul L. Zengerle, John B. Rieger, Richard Allen Carmack | 1997-10-14 |
| 5618657 | Photographic silver halide element having polyester support and exhibiting improved wet adhesion | John B. Rieger, Paul L. Zengerle | 1997-04-08 |