Granted Patent
Utility
US 4,891,544 · App. 07/234,450
Front assembly for a tension mask color cathode ray tube having a pre-sized mask support structure
Inventors:
Raymond G. Capek, Lawrence W. Dougherty, James L. Kraner
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Aug 19, 1988
Inventors
Raymond G. Capek
Lawrence W. Dougherty
James L. Kraner
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.