Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8542376 | Pre-paid document processing devices and operating methods | Charles Robert Carlson, Paul Ronald Herman, Shanti Villarreal, Brent R. Jones, Ashok Murthy +2 more | 2013-09-24 |
| 8332332 | Methods and apparatus for managing pre-paid printing system accounts | Charles Robert Carlson, Paul Ronald Herman, Shanti Villarreal, Brent R. Jones, Ashok Murthy +2 more | 2012-12-11 |
| 8271348 | Methods and system for consumable order creation | James D. Rise, Brent Stuart Deuth, Christopher Dale Iburg, Charles Robert Carlson, Shanti Villarreal | 2012-09-18 |