Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310637 | Minimization of ripple by controlling gelatin concentration | Steven J. Weinstein, Kenneth J. Ruschak | 1994-05-10 |
| 5306527 | Method of coating multilayer photographic elements with reduced ripple defects | Steven J. Weinstein, Kenneth J. Ruschak | 1994-04-26 |