Granted Patent
Utility
US 6,314,451 · App. 09/352,625
Ad controller for use in implementing user-transparent network-distributed advertising and for interstitially displaying an advertisement so distributed
Inventors:
Rick W. Landsman, Wei-Yeh Lee
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Jul 13, 1999
Inventors
Rick W. Landsman
Wei-Yeh Lee
Assignee (at issue)
Unicast Communications Corporation
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.