Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6046052 | Dry analytical elements for the determination of protein | Thomas Arter, David B. LaTart, John C. Mauck, Richard C. Sutton, Robert F. Winterkorn +1 more | 2000-04-04 |
| 5747345 | Calcium specific diaza-18-crown-6-ether chromoionophores | Calvin Roman Messing, Margaret Elizabeth Logan | 1998-05-05 |
| 5213954 | White light handleable negative-acting silver halide photographic elements | Donald W. Heseltine | 1993-05-25 |
| 5210014 | Mid-green sensitizing dyes for photographic materials | Richard B. Anderson, Robert E. Dickerson, Steven G. Link, Fred M. Macon | 1993-05-11 |
| 5196299 | Tabular grain emulsion containing radiographic elements exhibiting reduced dye stain | Robert E. Dickerson, Steven G. Link, Fred M. Macon, Richard B. Anderson | 1993-03-23 |
| 5135845 | Sensitizing dye for photographic materials | Gladys L. MacIntyre, Richard L. Parton | 1992-08-04 |
| RE30303 | Novel (UV absorbing compounds and) photographic elements containing UV absorbing compounds | Donald W. Heseltine | 1980-06-10 |