Granted Patent
Utility
US 4,346,282 · App. 05/948,979
Method of extrusion-fusion welding of lead parts through an aperture in a battery case
Inventor:
William J. Eberle
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: Oct 5, 1978
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.