Granted Patent
Utility
US 4,288,512 · App. 06/109,388
Method of manufacturing luminescent screens for color picture tubes
Inventors:
Bruno Fischer, Rainer Vollath
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Jan 3, 1980
Inventors
Bruno Fischer
Rainer Vollath
Assignee (at issue)
International Standard Electric 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.