Granted Patent
Utility
US 5,555,464 · App. 08/506,987
Red/near-infrared filtering for CCD cameras
Inventor:
John D. Hatlestad
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Jul 28, 1995
Inventor
John D. Hatlestad
Assignee (at issue)
LOCKHEED MARTIN CORPORATION
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.