Granted Patent
Utility
US 5,124,022 · App. 07/596,019
Electrolytic capacitor and method of making same
Inventors:
W. Thomas Evans, Ford J. Simpson, Jr., Larry F. Wieserman
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Oct 11, 1990
Inventors
W. Thomas Evans
Ford J. Simpson, Jr.
Larry F. Wieserman
Assignee (at issue)
Aluminum Company of America
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.