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公开(公告)号:US1536974A
公开(公告)日:1925-05-05
申请号:US69660824
申请日:1924-03-03
申请人: ROSENFELDER GEORGE A
发明人: ROSENFELDER GEORGE A
CPC分类号: H01L23/10 , H01L24/00 , H01L29/00 , H01L2924/12033 , H01L2924/12037 , H01L2924/00
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公开(公告)号:US1523399A
公开(公告)日:1925-01-20
申请号:US68996824
申请日:1924-02-01
申请人: CHAMBERLIN VERN L
发明人: CHAMBERLIN VERN L
CPC分类号: H01L21/00 , H01L23/10 , H01L24/00 , H01L2924/12037 , Y10T403/32032 , H01L2924/00
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