Granted Patent
Utility
US 6,173,271 · App. 08/979,838
Television advertising automated billing system
Inventors:
Rodney M. Goodman, Karen Emerson, Jeffrey Dickson
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Nov 26, 1997
Inventors
Rodney M. Goodman
Karen Emerson
Jeffrey Dickson
Assignee (at issue)
California Institute of Technology
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.