Granted Patent
Utility
US 4,256,946 · App. 06/005,669
Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case
Inventor:
William J. Eberle
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Jan 22, 1979
Inventor
William J. Eberle
Assignee (at issue)
General Battery 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.