Granted Patent
Utility
US 5,765,149 · App. 08/695,057
Modified collection frequency ranking method
Inventor:
Michael Burrows
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Aug 9, 1996
Inventor
Michael Burrows
Assignee (at issue)
Digital Equipment Corporation
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.