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公开(公告)号:US2657268A
公开(公告)日:1953-10-27
申请号:US5455948
申请日:1948-10-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
IPC: H04M15/04
CPC classification number: H04M15/04
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公开(公告)号:US2326679A
公开(公告)日:1943-08-10
申请号:US34489640
申请日:1940-07-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
IPC: H04Q3/00
CPC classification number: H04Q3/00
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公开(公告)号:US2039001A
公开(公告)日:1936-04-28
申请号:US74318034
申请日:1934-09-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: HURST GEORGE A , RETALLACK JOHN B
IPC: H04M3/24
CPC classification number: H04M3/24
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公开(公告)号:US2639092A
公开(公告)日:1953-05-19
申请号:US77209247
申请日:1947-09-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
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公开(公告)号:US2447533A
公开(公告)日:1948-08-24
申请号:US44878342
申请日:1942-06-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
IPC: H04M15/38
CPC classification number: H04M15/38
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公开(公告)号:US2227380A
公开(公告)日:1940-12-31
申请号:US29076439
申请日:1939-08-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
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公开(公告)号:US2767246A
公开(公告)日:1956-10-16
申请号:US26490952
申请日:1952-01-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
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公开(公告)号:US2520962A
公开(公告)日:1950-09-05
申请号:US5456048
申请日:1948-10-14
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
IPC: H04M15/38
CPC classification number: H04M15/38
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9.System for transmitting and recording indications of measuring devices to distant points 失效
Title translation: 用于将测量装置的指示传输和记录到远点的系统公开(公告)号:US2444202A
公开(公告)日:1948-06-29
申请号:US46683342
申请日:1942-11-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: MCALPINE RODERICK K , RETALLACK JOHN B , STIBITZ GEORGE R
IPC: G08C15/08
CPC classification number: G08C15/08
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公开(公告)号:US2414123A
公开(公告)日:1947-01-14
申请号:US50944943
申请日:1943-11-08
Applicant: BELL TELEPHONE LABOR INC
Inventor: RETALLACK JOHN B
IPC: H04Q5/06
CPC classification number: H04Q5/06
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