Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709503 | Waterbased heatset offset ink compositions | Ramasamy Krishnan, Marilyn C. Yamat | 2004-03-23 |
| 6444022 | Water based offset lithographic printing ink | Ramasamy Krishnan, Martin Czebotar | 2002-09-03 |
| 6200372 | Water-based offset lithographic newspaper printing ink | Ramasamy Krishnan, Neil Young, Keqi Gan, Marilyn C. Yamat, Martin Czebotar | 2001-03-13 |
| 5778789 | Offset lithographic printing process with a water based ink | Ramasamy Krishnan, Marilyn C. Yamat, Roland Thomas Palmatier, Robert Richard Murray | 1998-07-14 |
| 5725646 | Water-based offset lithographic printing ink | Ramasamy Krishnan, Marilyn C. Yamat | 1998-03-10 |
| 5723514 | Heatset intaglio printing ink | Solomon J. Nachfolger, Joseph Malanga, Ralph H. Reiter, Walter J. Glesias | 1998-03-03 |