Granted Patent
Utility
US 6,031,711 · App. 08/856,657
Graphitic nanofibers in electrochemical capacitors
Inventors:
Howard Tennent, David Moy, Chun-Ming Niu
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: May 15, 1997
Inventors
Howard Tennent
David Moy
Chun-Ming Niu
Assignee (at issue)
Hyperion Catalysis International
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.