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公开(公告)号：US1444349A
公开(公告)日：1923-02-06
申请号：US52093721
申请日：1921-12-08
Applicant: TOPPING MFG COMPANY
Inventor： LEEDS ROBERT R
CPC classification number: E05D15/26 , E05D15/063 , E05D15/0652 , E05D15/0656 , E05Y2201/684 , E05Y2600/41 , E05Y2600/452 , E05Y2900/132 , Y10T16/3819
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