Granted Patent
Utility
US 5,659,618 · App. 08/536,835
Multi-size cryptographic key system
Inventors:
Richard J. Takahashi, Neil Edward Shea
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Sep 29, 1995
Inventors
Richard J. Takahashi
Neil Edward Shea
Assignee (at issue)
VLSI 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.