Granted Patent
Utility
US 4,586,817 · App. 06/583,973
Method for determining the MTF of a viewing window
Inventor:
George M. Ehemann, Jr.
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Feb 27, 1984
Inventor
George M. Ehemann, Jr.
Assignee (at issue)
RCA 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.