Granted Patent
Utility
US 3,969,138 · App. 05/585,021
Sodium-aluminum halide, sulfur battery
Inventors:
John Werth, Jack C. Sklarchuk
Patented Case
View Patent ↗
Granted: Jul 13, 1976
Filed: Jun 9, 1975
Inventors
John Werth
Jack C. Sklarchuk
Assignee (at issue)
ESB Incorporated
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.