Patent search ap:("NORTON LASIER COMPANY INC") AND inv:"LASIER DAVID R" Page 1

1.

发明授权
Door holder arm 失效
Title translation: 门架臂

公开(公告)号：US1826553A

公开(公告)日：1931-10-06

申请号：US19042727

申请日：1927-05-11

Applicant: NORTON LASIER COMPANY INC

Inventor： LASIER DAVID R

IPC: E05F3/22

CPC classification number: E05F3/221 , E05Y2900/132 , Y10S16/17 , Y10T16/22 , Y10T16/27 , Y10T24/47

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