Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970573 | Self validating security documents utilizing watermarks | Burt Perry, Geoffrey B. Rhoads | 2005-11-29 |
| 6681028 | Paper-based control of computer systems | Tony F. Rodriguez, Geoffrey B. Rhoads | 2004-01-20 |
| 6389151 | Printing and validation of self validating security documents | Burt Perry, Geoffrey B. Rhoads | 2002-05-14 |