Patent search ap:("KEYSTONE CONSOLIDATED IND INC") AND inv:"CARLSON EVERT A" Page 1

1.

发明授权
Caster socket assembly 失效
Title translation: 插座组件

公开(公告)号：US3452386A

公开(公告)日：1969-07-01

申请号：US3452386D

申请日：1967-02-27

Applicant: KEYSTONE CONSOLIDATED IND INC

Inventor： CARLSON EVERT A

IPC: B60B33/00

CPC classification number: A47C7/006 , B60B33/0002 , Y10T16/202 , Y10T16/211

Patent Agency Ranking