Patent search ap:("REYNOLDS SPRING CO") AND inv:"GEORGE MANN" Page 1

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发明授权
Electric switch 失效

公开(公告)号：US1630434A

公开(公告)日：1927-05-31

申请号：US7225125

申请日：1925-11-30

Applicant: REYNOLDS SPRING CO

Inventor： GEORGE MANN

IPC: H01H3/00 , H01H15/18

CPC classification number: H01H15/18 , H01H3/001

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