Granted Patent
Utility
US 4,410,841 · App. 06/306,452
Roping and moire reduction in patterned screen cathode ray tube displays
Inventors:
Christopher R. Dusard, Thomas W. Spilsbury
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Sep 28, 1981
Inventors
Christopher R. Dusard
Thomas W. Spilsbury
Assignee (at issue)
Sperry Corp.
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.