Granted Patent
Utility
US 4,457,733 · App. 06/372,406
Method for providing coextensive raster patterns in television CRT in-line electron guns
Inventors:
Norman F. Gioia, Fred H. Seher
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Apr 27, 1982
Inventors
Norman F. Gioia
Fred H. Seher
Assignee (at issue)
Zenith Radio Corporation
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.