Granted Patent
Utility
US 4,634,247 · App. 06/811,153
Method for screening line screen slit mask color picture tubes
Inventors:
Albert M. Morrell, Walter D. Masterton, Richard C. Bauder
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Dec 19, 1985
Inventors
Albert M. Morrell
Walter D. Masterton
Richard C. Bauder
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.