Patent search ap:("BUDD EDWARD G MFG CO") AND inv:"WEIGHTMAN WILLIAM A" Page 4

31.

发明授权
Press welding machine and method 失效
Title translation: 压焊机及方法

公开(公告)号：US2229993A

公开(公告)日：1941-01-28

申请号：US14360037

申请日：1937-05-19

Applicant: BUDD EDWARD G MFG CO

Inventor： WEIGHTMAN WILLIAM A

IPC: B23K11/00 , B23K11/02 , B23K11/31

CPC classification number: B23K11/002 , B23K11/02 , B23K11/312 , Y10T137/86405 , Y10T137/86461

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