Granted Patent
Utility
US 6,834,056 · App. 09/892,811
Virtual local area network protection switching
Inventor:
Tim Hayes
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jun 26, 2001
Inventor
Tim Hayes
Assignee (at issue)
Occam Networks, 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.