Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7826099 | Variable-dot halftoning | David John Evans, V | 2010-11-02 |
| 7586648 | Variable-dot halftoning | David John Evans, V | 2009-09-08 |
| 7384669 | Method for printing unidirectional and see-through graphics | Paul St-Pierre, James Ramsden, Trevor SIMMONDS, Gordon Reynen, David John Evans, V | 2008-06-10 |