Granted Patent
Utility
US 6,541,121 · App. 09/773,795
Superconducting element
Inventors:
Alexander Usoskin, Herbert Freyhardt, Friedrich Harten
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Feb 1, 2001
Inventors
Alexander Usoskin
Herbert Freyhardt
Friedrich Harten
Assignees (at issue)
Zentrum fuer Funktionswerkstoffe Gemeinnuetzige Gesellschaft mbH
Alcatel Kabel AG & Co.
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.