Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644348 | Purgable multiport valve | Steven D. Possanza, Angela H. R. Jones, Brian J. Connolly | 2003-11-11 |
| 5298389 | Dry gelatin addition to an emulsion/dispersion mixture | Steven D. Possanza, Donald E. Eaton, Lawrence D. Meston | 1994-03-29 |
| 5108611 | Method of preparing coupler dispersions for photographic use | Stephen P. Chen, Carl B. Richenberg | 1992-04-28 |
| 5024929 | Method of preparing coupler dispersions for photographic use | Carl B. Richenberg, Stephen P. Chen | 1991-06-18 |