Granted Patent
Utility
US 4,487,666 · App. 06/595,207
Electrolytically forming a lot of valve-metal-bodies for use in capacitors
Inventor:
James Steven Bates
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Mar 30, 1984
Inventor
James Steven Bates
Assignee (at issue)
Sprague Electric Company
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.