Granted Patent
Utility
US 6,351,755 · App. 09/433,006
System and method for associating an extensible set of data with documents downloaded by a web crawler
Inventors:
Marc Alexander Najork, Clark Allan Heydon
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Nov 2, 1999
Inventors
Marc Alexander Najork
Clark Allan Heydon
Assignee (at issue)
Alta Vista Company
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.