Granted Patent
Utility
US 4,874,910 · App. 07/184,678
High lead density vacuum feedthrough
Inventor:
Joseph R. McCoy
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Apr 22, 1988
Inventor
Joseph R. McCoy
Assignee (at issue)
GOVERNMENT OF THE UNITED STATES AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
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.