Granted Patent
Utility
US 5,159,632 · App. 07/761,276
Method and apparatus for public key exchange in a cryptographic system
Inventor:
Richard E. Crandall
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Sep 17, 1991
Inventor
Richard E. Crandall
Assignee (at issue)
NeXT Computer, 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.