Granted Patent
Utility
US 4,284,695 · App. 06/109,387
Method of manufacturing luminescent screens for color-picture tubes with two exposures
Inventor:
Bruno Fischer
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Jan 3, 1980
Inventor
Bruno Fischer
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.