Granted Patent
Utility
US 4,505,991 · App. 06/614,409
Sodium heat engine electrical feedthrough
Inventor:
Neill Weber
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: May 25, 1984
Inventor
Neill Weber
Assignee (at issue)
Ford Motor 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.