Granted Patent
Utility
US 4,445,526 · App. 06/307,295
System and method for controlling the specific gravity and viscosity of the slurry applied to television picture tube faceplates
Inventor:
John W. Woestman
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Sep 30, 1981
Inventor
John W. Woestman
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.