Granted Patent
Utility
US 4,849,671 · App. 07/139,672
Color cathode ray tube having a faceplate-mounted support structure with a welded-on high-tension foil shadow mask
Inventor:
James R. Fendley
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Dec 30, 1987
Inventor
James R. Fendley
Assignee (at issue)
Zenith Electronics LLC
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.