Granted Patent
Utility
US 6,453,337 · App. 09/760,373
Methods and systems to manage and track the states of electronic media
Inventors:
Graham Miller, Michael Hanson, Brian Axe, Steven Evans
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jan 12, 2001
Inventors
Graham Miller
Michael Hanson
Brian Axe
Steven Evans
Assignee (at issue)
Zaplet, 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.