Granted Patent
Utility
US 6,424,715 · App. 08/868,488
Digital content management system and apparatus
Inventor:
Makoto Saito
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jun 3, 1997
Inventor
Makoto Saito
Assignee (at issue)
MITSUBISHI 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.