Patent search ap:("GRAND RAPIDS HARDWARE COMPANY") AND inv:"GERULIS BENEDICT R" Page 1

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发明授权
Window structure and sash slide rails and method of making such assembly 失效
Title translation: 窗框结构和窗框滑轨及其组装方法

公开(公告)号：US2806259A

公开(公告)日：1957-09-17

申请号：US58625456

申请日：1956-05-21

Applicant: GRAND RAPIDS HARDWARE COMPANY

Inventor： GERULIS BENEDICT R

IPC: E05C17/64

CPC classification number: E05D13/08 , E05Y2900/148

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