US 03,890,137 B2

GPTKB entity

Statements (65)
Predicate Object
gptkbp:instanceOf patent
gptkbp:applicationNumber 05/368,155
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
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gptkbp:fieldOfInvention superconductivity
https://www.w3.org/2000/01/rdf-schema#label US 03,890,137 B2
gptkbp:inventor gptkb:Robert_H._McDonald
gptkbp:issuedOn June 24, 1975
gptkbp:priorityDate August 1, 1973
gptkbp:title Method of making a high temperature superconducting material