Granted Patent
Utility
US 3,970,456 · App. 05/530,404
Method for preparing a viewing-screen structure for a CRT having temperature-compensated mask-mounting means, including cooling mask during exposure
Inventor:
Tom W. Branton
Patented Case
View Patent ↗
Granted: Jul 20, 1976
Filed: Dec 6, 1974
Inventor
Tom W. Branton
Assignee (at issue)
RCA Corporation
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.