Granted Patent
Utility
US 6,446,069 · App. 09/398,374
Access control system for a multimedia datastore
Inventors:
Alan T. Yaung, Jy-Jine James Lin
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Sep 17, 1999
Inventors
Alan T. Yaung
Jy-Jine James Lin
Assignee (at issue)
International Business Machines 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.