Patent search ap:("ALUMINUM CO OF AMERICA") AND inv:"HEFFRAN VERNON C" Page 1

1.

发明授权
Coated sheet metal and method of forming the same 失效
Title translation: 涂层片金属及其形成方法

公开(公告)号：US3478554A

公开(公告)日：1969-11-18

申请号：US3478554D

申请日：1967-05-26

Applicant: ALUMINUM CO OF AMERICA

Inventor： DEMSEY JOHN N , HEFFRAN VERNON C

IPC: C10M111/04 , B21D22/20 , B32B15/08 , C10N40/24 , B21B45/06 , B21C23/24

CPC classification number: B21D22/201

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