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公开(公告)号：US1946261A
公开(公告)日：1934-02-06
申请号：US64929232
申请日：1932-12-29
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: H01H50/16
CPC classification number: H01H50/16
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公开(公告)号：US3128418A
公开(公告)日：1964-04-07
申请号：US4267860
申请日：1960-07-13
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
CPC classification number: C21D1/18 , C21D8/1244 , H01F1/14 , H01H51/01
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3.发明授权Miniature electromechanical relay having a magnetic yoke which reduces the loss of fringe flux 失效具有磁轭的微型机电继电器，其减少了条纹通量的损失
公开(公告)号：US3194919A
公开(公告)日：1965-07-13
申请号：US19635462
申请日：1962-05-21
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
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公开(公告)号：US2863102A
公开(公告)日：1958-12-02
申请号：US39481853
申请日：1953-11-27
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: H01H50/02
CPC classification number: H01H50/02
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公开(公告)号：US2294327A
公开(公告)日：1942-08-25
申请号：US33572340
申请日：1940-05-17
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: H01H51/06
CPC classification number: H01H51/06
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Patent Agency Ranking
公开(公告)号：US2609171A
公开(公告)日：1952-09-02
申请号：US4727448
申请日：1948-09-01
Applicant: BELL TELEPHONE LABOR INC
Inventor： KNAPP HARRY M , ZUPA FRANK A
IPC: H01H50/30
CPC classification number: H01H50/30
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公开(公告)号：US2148598A
公开(公告)日：1939-02-28
申请号：US15971737
申请日：1937-08-18
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: H01H50/30
CPC classification number: H01H50/305
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公开(公告)号：US1816558A
公开(公告)日：1931-07-28
申请号：US29080928
申请日：1928-07-06
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: H01H51/22
CPC classification number: H01H51/2254
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公开(公告)号：US2802503A
公开(公告)日：1957-08-13
申请号：US39481953
申请日：1953-11-27
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: F16B33/00
CPC classification number: F16B33/004 , Y10S411/947 , Y10S411/965 , Y10T16/5535 , Y10T16/557
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公开(公告)号：US2786915A
公开(公告)日：1957-03-26
申请号：US37664653
申请日：1953-08-26
Applicant: BELL TELEPHONE LABOR INC
Inventor： ZUPA FRANK A
IPC: H01H50/16
CPC classification number: H01H50/16
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