Granted Patent
Utility
US 5,614,927 · App. 08/490,001
Protecting confidential information in a database for enabling targeted advertising in a communications network
Inventors:
Warren Stanton Gifford, Nancy D. Griffeth, James E. Katz
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jun 12, 1995
Inventors
Warren Stanton Gifford
Nancy D. Griffeth
James E. Katz
Assignee (at issue)
Bell Communications Research, Inc.
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.