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公开(公告)号：US1160718A
公开(公告)日：1915-11-16
申请号：US1912720790
申请日：1912-09-17
Applicant: GEN ELECTRIC
Inventor： INGALLS LLOYD O
CPC classification number: H05B31/0036
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公开(公告)号：US1143539A
公开(公告)日：1915-06-15
申请号：US1911662451
申请日：1911-11-25
Applicant: GEN ELECTRIC
Inventor： HALVORSON CROMWELL A B JR , INGALLS LLOYD O
CPC classification number: F21V17/107
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