Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9310676 | Apparatus and method for a sub microscopic and optically variable image carrying device | Michelle Richert, David R. Boswell, Alexander Stuck | 2016-04-12 |
| 8453570 | Printing | David R. Boswell, Steven Winton | 2013-06-04 |
| 8015919 | Security printing using a diffraction grating | David R. Boswell, Steven Winton | 2011-09-13 |