US 1,890,193 B2

GPTKB entity

Properties (12)
Predicate Object
gptkbp:instanceOf patent
gptkbp:applicationNumber US_1,890,193
gptkbp:assignee Example Corporation
gptkbp:country gptkb:United_States
gptkbp:fieldOfInvention lighting technology
gptkbp:filingDate 1931-06-15
gptkbp:grantDate 1932-12-20
https://www.w3.org/2000/01/rdf-schema#label US 1,890,193 B2
gptkbp:inventor gptkb:John_Doe
gptkbp:patentNumber 1,890,193
gptkbp:status granted
gptkbp:title Improvement in Electric Light Fixtures