Granted Patent
Utility
US 4,289,800 · App. 06/170,206
Method for providing an electrically conductive bridge in cathode ray tubes
Inventor:
Ricky H. Shah
Patented Case
View Patent ↗
Granted: Sep 15, 1981
Filed: Jul 18, 1980
Inventor
Ricky H. Shah
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.