Granted Patent
Utility
US 4,425,217 · App. 06/293,384
Anode with lead base and method of making same
Inventor:
Henri B. Beer
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Aug 17, 1981
Inventor
Henri B. Beer
Assignee (at issue)
Diamond Shamrock 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.