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公开(公告)号:US2871286A
公开(公告)日:1959-01-27
申请号:US39278953
申请日:1953-11-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: BACON WALTER M , BRANSON DAVID E , KNANDEL GEORGE J , LOCKE GEORGE A
IPC: H04L12/62
CPC classification number: H04L12/54
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公开(公告)号:US2784397A
公开(公告)日:1957-03-05
申请号:US40416554
申请日:1954-01-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E , REA WILTON T
IPC: H04L17/30
CPC classification number: H04L17/30
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公开(公告)号:US2556958A
公开(公告)日:1951-06-12
申请号:US749848
申请日:1948-02-10
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E , DAVEY JAMES R , KNANDEL GEORGE J , LOCKE GEORGE A , VANDERLIPPE RICHARD A
IPC: H03M5/00
CPC classification number: H03M5/00
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公开(公告)号:US2259514A
公开(公告)日:1941-10-21
申请号:US27560739
申请日:1939-05-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E
CPC classification number: H01F7/08 , H01H50/36 , Y10S411/943
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公开(公告)号:US2635139A
公开(公告)日:1953-04-14
申请号:US18986250
申请日:1950-10-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E , LOCKE GEORGE A
IPC: H04L12/54
CPC classification number: H04L12/54
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公开(公告)号:US2192961A
公开(公告)日:1940-03-12
申请号:US25582039
申请日:1939-02-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E , WATSON EDWARD F
IPC: H04L12/18
CPC classification number: H04L12/1868
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公开(公告)号:US2644038A
公开(公告)日:1953-06-30
申请号:US22056451
申请日:1951-04-12
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E
IPC: H04L13/16
CPC classification number: H04L13/16
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公开(公告)号:US2510061A
公开(公告)日:1950-06-06
申请号:US7188249
申请日:1949-01-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E , LOCKE GEORGE A , MARSHALL TOLA A
CPC classification number: H04L12/14
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公开(公告)号:US2477232A
公开(公告)日:1949-07-26
申请号:US58528645
申请日:1945-03-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E
IPC: H01P7/04
CPC classification number: H01P7/04
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公开(公告)号:US2430447A
公开(公告)日:1947-11-11
申请号:US44887842
申请日:1942-06-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: BRANSON DAVID E , KINKEAD RITA S , KRECEK JOSEPH A , LOCKE GEORGE A
IPC: H04L12/54
CPC classification number: H04L12/54
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