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公开(公告)号:US2389247A
公开(公告)日:1945-11-20
申请号:US51642943
申请日:1943-12-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L
IPC: H04M1/272
CPC classification number: H04M1/272
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公开(公告)号:US2326204A
公开(公告)日:1943-08-10
申请号:US35805840
申请日:1940-09-24
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L , LOVELL CLARENCE A
CPC classification number: G07C13/00
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公开(公告)号:US2388313A
公开(公告)日:1945-11-06
申请号:US51959844
申请日:1944-01-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L
IPC: H04M1/272
CPC classification number: H04M1/272
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公开(公告)号:US2374082A
公开(公告)日:1945-04-17
申请号:US45574442
申请日:1942-08-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L
IPC: H04M1/272
CPC classification number: H04M1/272
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公开(公告)号:US2220088A
公开(公告)日:1940-11-05
申请号:US29589739
申请日:1939-09-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L
IPC: G10H3/20
CPC classification number: G10H3/20
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公开(公告)号:US2395539A
公开(公告)日:1946-02-26
申请号:US51643043
申请日:1943-12-31
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L
IPC: H04M1/272
CPC classification number: H04M1/272
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公开(公告)号:US2345040A
公开(公告)日:1944-03-28
申请号:US46700942
申请日:1942-11-26
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L , LOVELL CLARENCE A
IPC: H04M17/02
CPC classification number: H04M17/026
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公开(公告)号:US2306531A
公开(公告)日:1942-12-29
申请号:US29797439
申请日:1939-10-05
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L , LOVELL CLARENCE A
IPC: H04M17/02
CPC classification number: H04M17/02
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公开(公告)号:US2263291A
公开(公告)日:1941-11-18
申请号:US33028840
申请日:1940-04-18
Applicant: BELL TELEPHONE LABOR INC
Inventor: DOWEY THOMAS L , LOVELL CLARENCE A
IPC: H04M3/36
CPC classification number: H04M3/36
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