Granted Patent
Utility
US 5,515,270 · App. 08/372,075
Technique for correlating purchasing behavior of a consumer to advertisements
Inventor:
Lee S. Weinblatt
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Jan 12, 1995
Inventor
Lee S. Weinblatt
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.