US 2,111,111 F1

GPTKB entity

Properties (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to widgets and their improvements.
gptkbp:assignee Example Corporation
gptkbp:claims 10
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1937-01-12
https://www.w3.org/2000/01/rdf-schema#label US 2,111,111 F1
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1938-03-15
gptkbp:patentNumber 2,111,111
gptkbp:title An Improved Widget