Granted Patent
Utility
US 4,255,963 · App. 06/011,831
Hydrogen meter for liquid lithium
Inventor:
Michael G. Down
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Feb 13, 1979
Inventor
Michael G. Down
Assignee (at issue)
Westinghouse Electric Company LLC
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.