Granted Patent
Utility
US 4,712,041 · App. 06/754,787
Color CRT tension mask support assembly with a glass frame
Inventors:
Siegfried M. Greiner, Kazimir Palac
Patented Case
View Patent ↗
Granted: Dec 8, 1987
Filed: Aug 20, 1985
Inventors
Siegfried M. Greiner
Kazimir Palac
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.