Granted Patent
Utility
US 4,048,544 · App. 05/595,809
Switched vertical deflection system
Inventor:
Peter E. Haferl
Patented Case
View Patent ↗
Granted: Sep 13, 1977
Filed: Jul 14, 1975
Inventor
Peter E. Haferl
Assignee (at issue)
RCA 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.