Granted Patent
Utility
US 5,280,478 · App. 07/558,961
No-owner frame and multiple token removal mechanism for token ring networks
Inventors:
Henry S. Yang, Kadangode K. Ramakrishnan, Paul W. Ciarfella
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Jul 27, 1990
Inventors
Henry S. Yang
Kadangode K. Ramakrishnan
Paul W. Ciarfella
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.