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公开(公告)号:US2141281A
公开(公告)日:1938-12-27
申请号:US9197136
申请日:1936-07-22
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: CLARK SOUTHWORTH GEORGE
CPC classification number: G01S1/02
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公开(公告)号:US2153728A
公开(公告)日:1939-04-11
申请号:US10452436
申请日:1936-10-07
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: CLARK SOUTHWORTH GEORGE
CPC classification number: H03D9/065 , H01J19/80 , H01J21/36 , H03B5/1835 , H03F3/54
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公开(公告)号:US2141282A
公开(公告)日:1938-12-27
申请号:US9197236
申请日:1936-07-22
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: CLARK SOUTHWORTH GEORGE , HOKE WILLIS FRENCH
CPC classification number: G01S1/02
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公开(公告)号:US2106771A
公开(公告)日:1938-02-01
申请号:US7394036
申请日:1936-04-11
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: CLARK SOUTHWORTH GEORGE
CPC classification number: H03B5/1835 , H03B5/1817 , H03B2201/014 , H04B3/52
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公开(公告)号:US2369808A
公开(公告)日:1945-02-20
申请号:US33955940
申请日:1940-06-08
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: CLARK SOUTHWORTH GEORGE
IPC: H01Q13/04
CPC classification number: H01Q13/04
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公开(公告)号:US2129711A
公开(公告)日:1938-09-13
申请号:US66115433
申请日:1933-03-16
Applicant: AMERICAN TELEPHONE & TELEGRAPH
Inventor: CLARK SOUTHWORTH GEORGE
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