Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10933681 | Secure substrate | Mark R. Fisher, Ian Draheim | 2021-03-02 |
| 9126451 | Thermal recording materials | John C. Warner, Justin Whitfield, Michelle Wanchi Li Lugus, Deboshri Banerjee | 2015-09-08 |
| 9034790 | Thermally-responsive record material | Mark Robert Fisher | 2015-05-19 |
| 8916496 | Thermally-responsive record material | Mark Robert Fisher | 2014-12-23 |
| 8916497 | Thermally-responsive record material | Mark Robert Fisher, Yves Defrenne | 2014-12-23 |
| 6387211 | Methods for reducing fluorescence in paper-containing samples | Arthur Ragauskas | 2002-05-14 |
| 6294047 | Methods for reducing fluorescence in paper-containing samples | Arthur Ragauskas | 2001-09-25 |