Granted Patent
Utility
US 4,804,881 · App. 07/137,492
Corner connectors for shadow mask support structure
Inventor:
Paul Strauss
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Dec 23, 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.