Granted Patent
Utility
US 4,778,427 · App. 07/060,135
Negative interference fixturing means and process for use in the manufacture of a tension mask color cathode ray tube
Inventor:
Paul Strauss
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Jun 9, 1987
Inventor
Paul Strauss
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.