Granted Patent
Utility
US 4,149,148 · App. 05/788,702
Aircraft flight instrument display system
Inventors:
Harry Miller, Parm L. Narveson, William R. Hancock, Joseph P. Hsu
Patented Case
View Patent ↗
Granted: Apr 10, 1979
Filed: Apr 19, 1977
Inventors
Harry Miller
Parm L. Narveson
William R. Hancock
Joseph P. Hsu
Assignee (at issue)
Sperry Rand 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.