Granted Patent
Utility
US 6,557,104 · App. 08/848,963
Method and apparatus for secure processing of cryptographic keys
Inventors:
Son Trung Vu, Quang Phan
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: May 2, 1997
Inventors
Son Trung Vu
Quang Phan
Assignee (at issue)
Phoenix Technologies Ltd.
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.