Granted Patent
Utility
US 6,368,486 · App. 09/536,424
Low temperature alkali metal electrolysis
Inventors:
Jeffrey Thompson, Howard M. Blank, Walter John Simmons, Oswald Robert Bergmann
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Mar 28, 2000
Inventors
Jeffrey Thompson
Howard M. Blank
Walter John Simmons
Oswald Robert Bergmann
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.