Granted Patent
Utility
US 6,618,808 · App. 09/370,953
Electronic rights management and authorization system
Inventors:
Woodrow W. Johnson, Christine J. Atkins, Jon A. Yoh, Thomas M. Parece
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Aug 10, 1999
Inventors
Woodrow W. Johnson
Christine J. Atkins
Jon A. Yoh
Thomas M. Parece
Assignee (at issue)
COPYRIGHT CLEARANCE CENTER, 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.