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公开(公告)号:US2408046A
公开(公告)日:1946-09-24
申请号:US50714643
申请日:1943-10-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: COYNE HOWARD L , KUHN JOHN J , ROSS JOHN E
IPC: H01C10/32
CPC classification number: H01C10/32
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公开(公告)号:US2597570A
公开(公告)日:1952-05-20
申请号:US6700948
申请日:1948-12-23
Applicant: BELL TELEPHONE LABOR INC
Inventor: COYNE HOWARD L
IPC: H04M19/02
CPC classification number: H04M19/02
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公开(公告)号:US2200059A
公开(公告)日:1940-05-07
申请号:US21320938
申请日:1938-06-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: COYNE HOWARD L
IPC: H01F5/04
CPC classification number: H01F5/04 , Y10T29/49169 , Y10T29/49179
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公开(公告)号:US2653207A
公开(公告)日:1953-09-22
申请号:US20104450
申请日:1950-12-15
Applicant: BELL TELEPHONE LABOR INC
Inventor: COYNE HOWARD L , MESCH ORWAR S A
IPC: H01C10/32
CPC classification number: H01C10/32
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公开(公告)号:US2577108A
公开(公告)日:1951-12-04
申请号:US66121246
申请日:1946-04-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: COYNE HOWARD L , FESSLER FRANK D , HAMPTON LEON N , MESCH ORWAR S A , THOMPSON WALTER N
IPC: H01C10/32
CPC classification number: H01C10/32
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公开(公告)号:US2347735A
公开(公告)日:1944-05-02
申请号:US45894942
申请日:1942-09-19
Applicant: BELL TELEPHONE LABOR INC
Inventor: COYNE HOWARD L
IPC: H01H1/24
CPC classification number: H01H1/242
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