Granted Patent
Utility
US 4,794,299 · App. 06/843,890
Flat tension mask color CRT front assembly with improved mask for degrouping error compensation
Inventors:
Wayne R. Chiodi, Charles J. Prazak, III
Patented Case
View Patent ↗
Granted: Dec 27, 1988
Filed: Mar 25, 1986
Inventors
Wayne R. Chiodi
Charles J. Prazak, III
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.