Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"STORKS KEITH H" Page 1

1.

发明授权
Electrical translating materials and method of making them 失效
Title translation: 电气翻译材料及其制作方法

公开(公告)号：US2441603A

公开(公告)日：1948-05-18

申请号：US49641443

申请日：1943-07-28

Applicant: BELL TELEPHONE LABOR INC

Inventor： STORKS KEITH H , TEAL GORDON K

CPC classification number: H01L21/7687 , Y10S428/938 , Y10T428/12528 , Y10T428/12674 , Y10T428/12819

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