Granted Patent
Utility
US 4,496,962 · App. 06/218,890
High resolution magnetic printing head
Inventors:
Joseph A. Lahut, John A. Popelish
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Dec 22, 1980
Inventors
Joseph A. Lahut
John A. Popelish
Assignee (at issue)
General Electric Company
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.