Granted Patent
Utility
US 5,987,522 · App. 09/006,240
Privileged virtual local area networks
Inventor:
Anil G. Rijhsinghani
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jan 13, 1998
Inventor
Anil G. Rijhsinghani
Assignee (at issue)
Cabletron Systems, 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.