U. S. Patent 1,500,000

URI: https://gptkb.org/entity/U._S._Patent_1%2C500%2C000
GPTKB entity
Statements (12)
Predicate Object
gptkbp:instance_of gptkb:patent
gptkbp:bfsLayer 5
gptkbp:bfsParent gptkb:Edward_Howard_Armstrong
gptkbp:application US 1,500,000
gptkbp:appointed_by July 24, 1924
gptkbp:class H01
gptkbp:field lighting
https://www.w3.org/2000/01/rdf-schema#label U. S. Patent 1,500,000
gptkbp:invention gptkb:William_H._Mc_Culloch
utility patent
gptkbp:participated_in gptkb:General_Electric_Company
gptkbp:title Electric lamp