Granted Patent
Utility
US 4,344,021 · App. 06/170,742
System for compensating for transfer characteristic variations of electron guns
Inventor:
Loren B. Johnston
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Jul 21, 1980
Inventor
Loren B. Johnston
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.