Granted Patent
Utility
US 4,379,978 · App. 06/245,796
Means and method for making electrical connection to cathode ray tubes
Inventor:
Richard L. Hockenbrock
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Mar 20, 1981
Inventor
Richard L. Hockenbrock
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.