Granted Patent
Utility
US 4,591,344 · App. 06/725,724
Method of fabricating a tension mask color cathode ray tube
Inventor:
Kazimir Palac
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Apr 22, 1985
Inventor
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.