Granted Patent
Utility
US 4,536,730 · App. 06/580,455
Deflection unit for picture tubes
Inventor:
Ulrich Hafner
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Feb 15, 1984
Inventor
Ulrich Hafner
Assignee (at issue)
International Standard Electric 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.