Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6416940 | Calcium ion stable photographic color developing composition and method of use | Shirleyanne E. Haye, Janet M. Huston, Charles M. Darmon, Charles S. Christ, Jr., William G. Henry | 2002-07-09 |
| 6403290 | Calcium ion stable photographic color developing composition and method of use | Shirleyanne E. Haye, Janet M. Huston, Charles M. Darmon, Charles S. Christ, Jr., William G. Henry | 2002-06-11 |