Granted Patent
Utility
US 5,138,489 · App. 07/713,421
Spatially incoherent holographic correlator
Inventor:
Eung Gi Paek
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Jun 10, 1991
Inventor
Eung Gi Paek
Assignee (at issue)
Bell Communications Research, 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.