Granted Patent
Utility
US 5,223,002 · App. 07/786,315
Method of making polyaniline solid electrolyte capacitor
Inventor:
Sidney D. Ross
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Oct 31, 1991
Inventor
Sidney D. Ross
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.