Granted Patent
Utility
US 5,401,946 · App. 07/733,763
Technique for correlating purchasing behavior of a consumer to advertisements
Inventor:
Lee S. Weinblatt
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Jul 22, 1991
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.