Patent search ap:("B B CHEM CO") AND inv:"CLARK ALFRED S" Page 1

1.

发明授权
Ribbed strips for insoles, and methods of making the same 失效
Title translation: 用于鞋垫的罗纹条及其制作方法

公开(公告)号：US2774699A

公开(公告)日：1956-12-18

申请号：US42992654

申请日：1954-05-14

Applicant: B B CHEM CO

Inventor： CLARK ALFRED S

IPC: A43B15/00

CPC classification number: A43B15/00 , Y10T156/1046 , Y10T156/1097 , Y10T428/24314 , Y10T428/24628 , Y10T428/24752

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