Granted Patent
Utility
US 5,809,190 · App. 08/799,582
Apparatus and method of making a fused dense wavelength-division multiplexer
Inventor:
Peter Chen
Patented Case
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Granted: Sep 15, 1998
Filed: Feb 12, 1997
Inventor
Peter Chen
Assignee (at issue)
Applied Fiber Optics, 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.