Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174400 | Near infrared fluorescent security thermal transfer printing and marking ribbons | James J. Krutak, Michael John Cyr, Horst Clauberg, Barbara Crawford Jackson, Tony Wayne Helton | 2001-01-16 |
| 5990197 | Organic solvent based ink for invisible marking/identification | James J. Krutak, Max A. Weaver | 1999-11-23 |
| 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 |
| 5344872 | Ink compositions containing certain methacrylates | Theo J. Debord, Louis A. Wilkin | 1994-09-06 |
| 5196057 | Plain paper ink for drop-on-demand printing | Sandra K. Brewer | 1993-03-23 |