Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104769 | High contrast photographic element and emulsion and process for their use | Jerome J. Looker, Ronald E. Leone | 1992-04-14 |
| 5093239 | Reagents for detecting oxidase positive microorganisms | Robert T. Belly, Drake M. Michno, William N. Washburn | 1992-03-03 |
| 4912016 | High contrast photographic recording material and emulsion and process for their development | Harold I. Machonkin, Donald L. Kerr | 1990-03-27 |
| 4407930 | Photographic products and processes employing substituted sulfonamidophenol or sulfonamidonaphthol dye-releasers | Robert E. Ross, Michael E. Campbell | 1983-10-04 |