Granted Patent
Utility
US 3,943,041 · App. 05/539,803
Method of producing tantalum capacitors
Inventor:
Norman F. Jackson
Patented Case
View Patent ↗
Granted: Mar 9, 1976
Filed: Jan 9, 1975
Inventor
Norman F. Jackson
Assignee (at issue)
Plessey Handel Und Investments AG
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.