Granted Patent
Utility
US 5,010,572 · App. 07/515,819
Distributed information system having automatic invocation of key management negotiations protocol and method
Inventors:
Erwin W. Bathrick, James E. Zmuda
Patented Case
View Patent ↗
Granted: Apr 23, 1991
Filed: Apr 27, 1990
Inventors
Erwin W. Bathrick
James E. Zmuda
Assignee (at issue)
Hughes Aircraft Company
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.