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公开(公告)号：US1230004A
公开(公告)日：1917-06-12
申请号：US5147015
申请日：1915-09-18
Applicant: GEN ELECTRIC
Inventor： MEIKLE GEORGE S
CPC classification number: H01J1/20 , Y10T307/735
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公开(公告)号：US1267888A
公开(公告)日：1918-05-28
申请号：US11510916
申请日：1916-08-15
Applicant: GEN ELECTRIC
Inventor： MEIKLE GEORGE S
CPC classification number: H01K1/50
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公开(公告)号：US1182291A
公开(公告)日：1916-05-09
申请号：US2660615
申请日：1915-05-07
Applicant: GEN ELECTRIC
Inventor： MEIKLE GEORGE S
CPC classification number: H01J13/08
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公开(公告)号：US1182290A
公开(公告)日：1916-05-09
申请号：US1914865836
申请日：1914-10-09
Applicant: GEN ELECTRIC
Inventor： MEIKLE GEORGE S
CPC classification number: H01J19/28
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