Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340689 | Image-recording materials with cyclic 1,3-sulfur-nitrogen dye providing compounds | Efthimios Chinoporos, David P. Waller, David C. Whritenour | 1994-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340689 | Image-recording materials with cyclic 1,3-sulfur-nitrogen dye providing compounds | Efthimios Chinoporos, David P. Waller, David C. Whritenour | 1994-08-23 |