US 4,890,163 A

GPTKB entity

Properties (12)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/305,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:fieldOfInvention Mechanical Engineering
https://www.w3.org/2000/01/rdf-schema#label US 4,890,163 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn January 2, 1990
gptkbp:priorityDate March 15, 1988
gptkbp:title Method for improving efficiency