Patent search ap:("WESTINGHOUSE ELECTRIC CORP") AND inv:"TANAKA JOHN A" Page 1

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发明授权
Electroluminescent device 失效
Title translation: 电致发光器件

公开(公告)号：US3069579A

公开(公告)日：1962-12-18

申请号：US1585760

申请日：1960-03-18

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： DANIEL BERG , TANAKA JOHN A

IPC: H05B33/20 , H05B33/26

CPC classification number: H05B33/20 , H05B33/26

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