Granted Patent
Utility
US 5,909,670 · App. 08/584,415
Method and system for playback of advertisements in an electronic classified advertising system
Inventors:
Terry F. Trader, Leslie Darrell Cox
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Jan 9, 1996
Inventors
Terry F. Trader
Leslie Darrell Cox
Assignees (at issue)
U S West, Inc.
MediaOne Group, 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.