Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696289 | Blocked leuco dyes for photothermographic elements | Larry R. Krepski, Sharon M. Simpson | 1997-12-09 |
| 5665522 | Visible image dyes for positive-acting no-process printing plates | Dennis E. Vogel, Robert J. Balchunis, James P. Gardner, Jr., George V.D. Tiers | 1997-09-09 |
| 5663042 | Developing agents for (photo) thermographic systems | Duncan M. A. Grieve, Justine A. Mooney, William E. Bottomley, John H. A. Stibbard, Andrew Mott +9 more | 1997-09-02 |
| 5596025 | Dental impression material with cure-indicating dye | Joel D. Oxman, Mark S. Konings, George V.D. Tiers, Dennis E. Vogel | 1997-01-21 |