Granted Patent
Utility
US 4,706,375 · App. 06/896,686
Method of forming a solid tantalum capacitor
Inventors:
Walter J. Bernard, E. James Fresia
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Aug 15, 1986
Inventors
Walter J. Bernard
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.