Granted Patent
Utility
US 5,132,282 · App. 07/495,568
High temperature superconductor-strontium titanate sapphire structures
Inventors:
Nathan Newman, Kookrin Char
Patented Case
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Granted: Jul 21, 1992
Filed: Mar 16, 1990
Inventors
Nathan Newman
Kookrin Char
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.