Google patents granted on 08 March 2011

5 US patents granted on 08 March 2011 and assigned to Google

1 7,904,500 Advertising in chat system without topic-specific rooms
2 7,904,461 Advertiser and user association
3 7,904,255 Device for assessing operating-mode transition reliability
4 7,904,063 Method and apparatus using geographical position to provide authenticated, secure, radio frequency communication between a gaming host and a remote gaming device
5 7,903,099 Allocating advertising space in a network of displays