Granted Patent
Utility
US 4,281,046 · App. 06/162,587
Dry cell with electrolyte dispersion channels through the cathode mix
Inventor:
Charles Irwin Davis
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Jun 24, 1980
Inventor
Charles Irwin Davis
Assignee (at issue)
Union Carbide 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.