Granted Patent
Utility
US 4,788,471 · App. 06/933,646
Sealing for CRT components
Inventor:
Paul Strauss
Patented Case
View Patent ↗
Granted: Nov 29, 1988
Filed: Nov 21, 1986
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.