US 4,321,131 A

GPTKB entity

Statements (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 06/123,456
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:claims 20
gptkbp:fieldOfUse mechanical engineering
https://www.w3.org/2000/01/rdf-schema#label US 4,321,131 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn March 30, 1982
gptkbp:priorityDate June 15, 1980
gptkbp:status granted