Granted Patent
Utility
US 4,781,802 · App. 07/042,765
Solid tantalum capacitor process
Inventor:
E. James Fresia
Patented Case
View Patent ↗
Granted: Nov 1, 1988
Filed: Apr 27, 1987
Inventor
E. James Fresia
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.