Granted Patent
Utility
US 6,650,839 · App. 09/576,668
Method and apparatus for optical media access protection in a passive optical network
Inventors:
William C. Mallard, Jr., Colby Dill, III
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: May 23, 2000
Inventors
William C. Mallard, Jr.
Colby Dill, III
Assignee (at issue)
Quantum Bridge Communications, 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.