Granted Patent
Utility
US 5,281,811 · App. 07/716,224
Digital wavelength division multiplex optical transducer having an improved decoder
Inventor:
Warren Hale Lewis
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Jun 17, 1991
Inventor
Warren Hale Lewis
Assignee (at issue)
Litton 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.