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公开(公告)号:US2486861A
公开(公告)日:1949-11-01
申请号:US78584747
申请日:1947-11-14
Applicant: GEN ELECTRIC
Inventor: MERRILL FRANK W
IPC: H02K27/08
CPC classification number: H02K27/08
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公开(公告)号:US2312101A
公开(公告)日:1943-02-23
申请号:US39559641
申请日:1941-05-28
Applicant: GEN ELECTRIC
Inventor: KILLAM KENNETH A , MERRILL FRANK W
IPC: H02K21/22
CPC classification number: H02K21/227 , H02K2201/12
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公开(公告)号:US2146588A
公开(公告)日:1939-02-07
申请号:US16379437
申请日:1937-09-14
Applicant: GEN ELECTRIC
Inventor: MERRILL FRANK W
IPC: H01F7/02
CPC classification number: H01F7/021
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公开(公告)号:US1800028A
公开(公告)日:1931-04-07
申请号:US44084330
申请日:1930-04-01
Applicant: GEN ELECTRIC
Inventor: MERRILL FRANK W
IPC: H02K47/24
CPC classification number: H02K47/24
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