Granted Patent
Utility
US 4,614,892 · App. 06/646,861
Tension mask mounting structure
Inventor:
Kazimir Palac
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Aug 31, 1984
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.