Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5912107 | Opaque developing/fixing monobath and its use for processing roomlight handleable black-and-white photographic elements | Robert E. Dickerson | 1999-06-15 |
| 5908737 | Opaque developing composition and its use to process roomlight handleable black-and-white photographic elements | Robert E. Dickerson | 1999-06-01 |
| 5871890 | Method for processing roomlight handleable radiographic films using two-stage development | Jeffrey S. Baugher, Robert E. Dickerson | 1999-02-16 |
| 5866309 | Method for processing roomlight handleable photographic elements | Jeffrey S. Baugher, Robert E. Dickerson | 1999-02-02 |
| 5738979 | Black-and-white development processing method with replenishment | Franklin C. Brayer, Joan F. Rachel | 1998-04-14 |
| 5474879 | Radiographic film developers containing ascorbic acid and thioether development accelerators | Joan F. Rachel | 1995-12-12 |
| 5389502 | Hardening developer for silver halide photography and development method | Jean M. Buongiorne | 1995-02-14 |