Granted Patent
Utility
US 5,228,958 · App. 07/636,411
Regenerating slurries for use in zinc-air batteries
Inventors:
Jonathan R. Goldstein, Arieh Meitav
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Dec 31, 1990
Inventors
Jonathan R. Goldstein
Arieh Meitav
Assignee (at issue)
Electric Fuel Limited
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.