Granted Patent
Utility
US 4,422,909 · App. 06/328,173
Electrolytic process for the manufacture of alkali metal halate
Inventor:
Everett M. Spore
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Dec 27, 1981
Inventor
Everett M. Spore
Assignee (at issue)
Occidental Chemical Corporation
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.