Granted Patent
Utility
US 6,523,113 · App. 09/188,917
Method and apparatus for copy protection
Inventor:
Paul J. Wehrenberg
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Nov 9, 1998
Inventor
Paul J. Wehrenberg
Assignee (at issue)
Apple Computer 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.