US 3,890,146 B2

URI: https://gptkb.org/entity/US_3%2C890%2C146_B2
GPTKB entity
Properties (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:applicationNumber 05/368,174
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
US_5,678,910
gptkbp:fieldOfInvention composite materials
https://www.w3.org/2000/01/rdf-schema#label US 3,890,146 B2
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:issuedOn June 24, 1975
gptkbp:priorityDate August 1, 1973
gptkbp:title Method of making a composite material