Granted Patent
Utility
US 4,507,370 · App. 06/579,055
Miniature galvanic cell construction providing gas channels between electrode compartments
Inventor:
Lewis F. Urry
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: Feb 10, 1984
Inventor
Lewis F. Urry
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.