Granted Patent
Utility
US 4,926,089 · App. 07/279,188
Tied slit foil shadow mask with false ties
Inventor:
Melvin Moore
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Dec 2, 1988
Inventor
Melvin Moore
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.