Granted Patent
Utility
US 5,049,869 · App. 07/368,257
Dimming circuit for dual display aircraft instruments
Inventor:
Gregory W. Harris
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Jun 19, 1989
Inventor
Gregory W. Harris
Assignee (at issue)
Korry Electronics Co.
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.