Granted Patent
Utility
US 5,128,926 · App. 07/496,632
Updating link state information in networks
Inventors:
Radia J. Perlman, Ross W. Callon, Charles W. Kaufman
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Mar 21, 1990
Inventors
Radia J. Perlman
Ross W. Callon
Charles W. Kaufman
Assignee (at issue)
Digital Equipment Corporation
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.