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公开(公告)号：US1655290A
公开(公告)日：1928-01-03
申请号：US10179126
申请日：1926-04-13
Applicant: GEN ELECTRIC
Inventor： PHELPS ROSCOE G , LUDWIG STAUDENMEIR
IPC: C03C15/00
CPC classification number: C03C15/00 , Y10S118/03 , Y10T24/1676
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公开(公告)号：US1698321A
公开(公告)日：1929-01-08
申请号：US23533627
申请日：1927-11-23
Applicant: GEN ELECTRIC
Inventor： LUDWIG STAUDENMEIR , ISAAC ELMER B
IPC: H01J9/32
CPC classification number: H01J9/32
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公开(公告)号：US1655141A
公开(公告)日：1928-01-03
申请号：US66758423
申请日：1923-10-09
Applicant: GEN ELECTRIC
Inventor： FAGAN JOHN T , LUDWIG STAUDENMEIR
CPC classification number: H01K3/10 , H01J9/32 , H01J9/46 , H01J2893/0096
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