Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559667 | Coupon copy protection | Ravi Kant Keswani, Qingcai Guan, Jeffrey Weitzman | 2013-10-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559667 | Coupon copy protection | Ravi Kant Keswani, Qingcai Guan, Jeffrey Weitzman | 2013-10-15 |