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U.S. Pat. No. 1,346,729

U.S. Pat. No. 1,346,729

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A 3D Model of U.S. Patent No. 1,346,729 - Cutting Edge Bookmark Technology From 1920. The Original Inventor's Words: "I declare that I, Jean J. Vanderveer, citizen of the United States, residing in Brattleboro, Vermont, have invented new and useful Improvements in Bookmarks. My invention is described below, enabling skilled individuals to make and use it."

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