Granted Patent
Utility
US 5,162,294 · App. 07/662,088
Buffer layer for copper oxide based superconductor growth on sapphire
Inventors:
John J. Talvacchio, Martin Gerard Forrester
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Feb 28, 1991
Inventors
John J. Talvacchio
Martin Gerard Forrester
Assignee (at issue)
Westinghouse Electric Company LLC
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.