Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665151 | Method for making article with and detecting water based inks containing near infrared fluorophores | James J. Krutak | 1997-09-09 |
| 5614008 | Water based inks containing near infrared fluorophores | James J. Krutak | 1997-03-25 |