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公开(公告)号：US2142562A
公开(公告)日：1939-01-03
申请号：US12467537
申请日：1937-02-08
Applicant: GEN DOOR CORP
Inventor： GREEGOR RALPH H , RENICK GEORGE B
CPC classification number: E05D15/24 , E05D13/1215 , E05F5/003 , E05Y2201/488 , E05Y2900/106 , Y10S16/16 , Y10T16/373 , Y10T16/379
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