Granted Patent
Utility
US 4,906,983 · App. 07/133,251
Display data memory
Inventor:
Martin Parker
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Dec 9, 1987
Inventor
Martin Parker
Assignee (at issue)
British Aerospace Public Limited 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.