Granted Patent
Utility
US 6,728,704 · App. 09/940,600
Method and apparatus for merging result lists from multiple search engines
Inventors:
Jianchang Mao, Rajat P. Mukherjee, Prabhakar Raghavan, Panayiotis Tsaparas
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Aug 27, 2001
Inventors
Jianchang Mao
Rajat P. Mukherjee
Prabhakar Raghavan
Panayiotis Tsaparas
Assignee (at issue)
Verity AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.