Granted Patent
Utility
US 4,247,843 · App. 05/936,275
Aircraft flight instrument display system
Inventors:
Harry Miller, Parm L. Narveson, William R. Hancock, Joseph P. Hsu
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Aug 23, 1978
Inventors
Harry Miller
Parm L. Narveson
William R. Hancock
Joseph P. Hsu
Assignee (at issue)
Sperry Corp.
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.