Granted Patent
Utility
US 5,751,813 · App. 08/639,457
Use of an encryption server for encrypting messages
Inventor:
David Dorenbos
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Apr 29, 1996
Inventor
David Dorenbos
Assignee (at issue)
Motorola, 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.