4 US patents granted on 29 December 2009 and assigned to Google
| 1 | 7,640,193 | Distributed electronic commerce system with centralized virtual shopping carts |
| 2 | 7,640,184 | Method and system for processing published content on the internet |
| 3 | 7,639,898 | Method and system for approving documents based on image similarity |
| 4 | 7,639,406 | Movable document cradle for facilitating imaging of bound documents |
