Granted Patent
Utility
US 6,721,170 · App. 10/458,275
Packaged hybrid capacitor
Inventors:
David A. Evans, Thomas A. Murphy
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jun 11, 2003
Inventors
David A. Evans
Thomas A. Murphy
Assignee (at issue)
EVANS CAPACITOR 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.