Granted Patent
Utility
US 4,913,778 · App. 07/305,125
Molten salt scrubbing of zirconium or hafnium tetrachloride
Inventors:
Ernest D. Lee, David F. McLaughlin
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Jan 2, 1989
Inventors
Ernest D. Lee
David F. McLaughlin
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.