Granted Patent
Utility
US 4,896,949 · App. 07/186,872
Acousto-optic tunable bandpass filter with strong sideband suppression
Inventors:
Nathan T. Melamed, Richard A. Elco
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Apr 27, 1988
Inventors
Nathan T. Melamed
Richard A. Elco
Assignee (at issue)
Westinghouse Electric Company LLC
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.