Granted Patent
Utility
US 4,314,184 · App. 06/127,163
Deflection coil driver apparatus
Inventor:
John O. Ryan
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Mar 4, 1980
Inventor
John O. Ryan
Assignee (at issue)
Ampex 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.