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公开(公告)号:US2293203A
公开(公告)日:1942-08-18
申请号:US14104937
申请日:1937-05-06
Applicant: WESTERN ELECTRIC CO
Inventor: ENART GOSMANN
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公开(公告)号:US2789194A
公开(公告)日:1957-04-16
申请号:US47123754
申请日:1954-11-26
Applicant: WESTERN ELECTRIC CO
Inventor: ENART GOSMANN
IPC: H01J25/52
CPC classification number: H01J25/52 , Y10T29/53274 , Y10T29/53687
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公开(公告)号:US1881501A
公开(公告)日:1932-10-11
申请号:US59206332
申请日:1932-02-10
Applicant: WESTERN ELECTRIC CO
Inventor: ENART GOSMANN
IPC: H03F1/04
CPC classification number: H03F1/04
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公开(公告)号:US3161510A
公开(公告)日:1964-12-15
申请号:US14795161
申请日:1961-10-26
Applicant: WESTERN ELECTRIC CO
Inventor: ENART GOSMANN
IPC: G03F1/68
CPC classification number: G03F1/68
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公开(公告)号:US2441353A
公开(公告)日:1948-05-11
申请号:US69941246
申请日:1946-09-26
Applicant: WESTERN ELECTRIC CO
Inventor: ENART GOSMANN , WESTON KEITH A
IPC: H01J9/50
CPC classification number: H01J9/50 , H01J2893/0072 , Y02W30/828 , Y10T29/49821 , Y10T29/49822
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