For each quote entered into a computerized anonymous trading system, the system determines if it is waiting to be "hit" (would be matched with the first hit of a predetermined size) at a substantial number of trading floors, and if so, notifies the trader originating the quote. The substantial number...http://www.google.de/patents/US6282521?utm_source=gb-gplus-sharePatent US6282521 - Anonymous trading system with improved quote input capabilities