Granted Patent
Utility
US 4,278,741 · App. 06/151,993
Nonaqueous cell
Inventor:
Tibor Kalnoki-Kis
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: May 30, 1980
Inventor
Tibor Kalnoki-Kis
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.