Granted Patent
Utility
US 5,086,428 · App. 07/364,470
Reliable broadcast of information in a wide area network
Inventors:
Radia J. Perlman, George Varghese, Anthony G. Lauck
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jun 9, 1989
Inventors
Radia J. Perlman
George Varghese
Anthony G. Lauck
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.