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

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

thingiverse

A 3D model representing US Patent No. 1,346,729 showcases innovative bookmark technology from the early Thingiverse era, via the U.S. Patent and Trademark Office. In a statement addressed to all concerned parties, inventor JEAN J. VANDERVEER, a US citizen residing in Brattleboro, Windham County, Vermont, discloses his novel bookmark improvements, providing a comprehensive description for replication by those skilled in the relevant field.

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