Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920293 | System and method for patterned encoded halftoning | Charles M. Hains | 2011-04-05 |
| 7583412 | System and method for creating patterned encoded halftones | Charles M. Hains | 2009-09-01 |