Patent search ap:("STERLING ELECTRONIC DOOR CONTR") AND inv:"MYERS LAWRENCE E" Page 1

1.

发明授权
Electric overhead door opening and closing device 失效
Title translation: 电动天花板门开闭装置

公开(公告)号：US2560236A

公开(公告)日：1951-07-10

申请号：US6010248

申请日：1948-11-15

Applicant: STERLING ELECTRONIC DOOR CONTR

Inventor： MCNINCH JAMES N , MYERS LAWRENCE E

IPC: E05F15/16

CPC classification number: E05F15/67 , E05F15/684 , E05Y2201/434 , E05Y2600/46 , E05Y2900/106

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