Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703229 | Method for tagging thermoplastic materials with near infrared fluorophores | Michael R. Cushman, Clarence A. Coates, Jr., William W. Parham, Max A. Weaver, Gabor Patonay | 1997-12-30 |
| 5665151 | Method for making article with and detecting water based inks containing near infrared fluorophores | Nelson Zamora Escano | 1997-09-09 |
| 5614008 | Water based inks containing near infrared fluorophores | Nelson Zamora Escano | 1997-03-25 |