Granted Patent
Utility
US 6,643,777 · App. 09/312,199
Data security method and device for computer modules
Inventor:
William Chu
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: May 14, 1999
Inventor
William Chu
Assignee (at issue)
Acquis Technology, 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.