Granted Patent
Utility
US 6,506,439 · App. 09/721,303
Apparatus and process for the production of a superconductive layer
Inventors:
Alexander Usoskin, Herbert Freyhardt, Juergen Knoke
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Nov 22, 2000
Inventors
Alexander Usoskin
Herbert Freyhardt
Juergen Knoke
Assignee (at issue)
Zentrum fuer Funktionswerkstoffe Gemeinnuetzige Gesellschaft mbH
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.