Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8204820 | Computer system and method for producing analytical data related to the project bid and requisition process | Andrew A. Cullen, III, Leonid Zilberman | 2012-06-19 |
| 7925568 | Computer system and method for producing analytical data related to the project bid and requisition process | Andrew A. Cullen, III, Leonid Zilberman | 2011-04-12 |
| 7747457 | Computer system and method for facilitating and managing the project bid and requisition process | Andrew A. Cullen, III, Leonid Zilberman | 2010-06-29 |