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公开(公告)号:US2051623A
公开(公告)日:1936-08-18
申请号:US71774134
申请日:1934-03-28
Applicant: GEN ELECTRIC
Inventor: LEWI TONKS
IPC: H01J25/00
CPC classification number: H01J25/005
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公开(公告)号:US3234099A
公开(公告)日:1966-02-08
申请号:US25661363
申请日:1963-02-06
Applicant: GEN ELECTRIC
Inventor: BALDWIN GEORGE C , NEISSEL JOHN P , LEWI TONKS
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公开(公告)号:US2482541A
公开(公告)日:1949-09-20
申请号:US59349445
申请日:1945-05-12
Applicant: GEN ELECTRIC
Inventor: HALL ROBERT N , SHARBAUGH AMANDUS H , LEWI TONKS
IPC: H01J25/587
CPC classification number: H01J25/587
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公开(公告)号:US2128862A
公开(公告)日:1938-08-30
申请号:US9086836
申请日:1936-07-16
Applicant: GEN ELECTRIC
Inventor: LEWI TONKS
CPC classification number: H01J13/34 , H01J13/48 , H01J2893/0087
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公开(公告)号:US2128861A
公开(公告)日:1938-08-30
申请号:US9086736
申请日:1936-07-16
Applicant: GEN ELECTRIC
Inventor: LEWI TONKS
IPC: H01J13/12
CPC classification number: H01J13/12 , H01J2893/008
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