US patent 4,321,695

GPTKB entity

Statements (11)
Predicate Object
gptkbp:instanceOf patent
gptkbp:applicationNumber 06/505,198
gptkbp:assignee gptkb:Hsu_&_Associates,_Inc.
gptkbp:fieldOfUse semiconductor technology
https://www.w3.org/2000/01/rdf-schema#label US patent 4,321,695
gptkbp:inventor gptkb:Robert_H._H._Hsu
gptkbp:issuedOn April 6, 1982
gptkbp:patentType utility patent
gptkbp:priorityDate April 6, 1981
gptkbp:status expired
gptkbp:title Method of making a semiconductor device