Granted Patent
Utility
US 5,181,013 · App. 07/417,512
Display apparatus
Inventors:
John Martin Bagshaw, Donald Bowles
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Oct 5, 1989
Inventors
John Martin Bagshaw
Donald Bowles
Assignee (at issue)
GEC-Marconi Ltd.
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.