Granted Patent
Utility
US 5,313,273 · App. 07/969,398
Apparatus for calibrating an analogue screen display system
Inventors:
Richard J. Griffin, Graham C. Evelin
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Oct 30, 1992
Inventors
Richard J. Griffin
Graham C. Evelin
Assignee (at issue)
Crosfield Electronics Limited
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.