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Title:
Doorstop
Document Type and Number:
United States Patent 2497697
Inventors:
Smith, Merrill H.
Publication Date:
02/14/1950
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Assignee:
Smith, Merrill H.
Primary Class:
292/74
International Classes:
E05C17/56
;
E05C17/00
Foreign References:
DE145325C
GB278523A
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