Granted Patent
Utility
US 6,560,578 · App. 09/774,473
Advertisement selection system supporting discretionary target market characteristics
Inventor:
Charles A. Eldering
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jan 31, 2001
Inventor
Charles A. Eldering
Assignee (at issue)
Expanse Networks, 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.