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Angle-Bending Machine

Description: Patent for angle-bending machine.
Date: December 16, 1902
Creator: Dillon, Ivy Hancock
Partner: UNT Libraries Government Documents Department

Bank-Ledger

Description: Patent for a Bank-Ledger
Date: February 10, 1903
Creator: Ford, Earle
Partner: UNT Libraries Government Documents Department

Buttoning and Gripping Device for Artificial Arms

Description: Patent for a gripping device that attaches to an artificial arm. The two main elements consist of a support structure with a jaw, and another element with a movable jaw. A buttoning device is mounted to the structure and functions independently of the two jaws.
Date: unknown
Creator: Corley, Quentin D.
Partner: UNT Libraries Government Documents Department

[Letters Patent for Flutter Wheels]

Description: Letters patent granting rights to James Stewart for an improvement to flutter wheels used to drive gins, mills, and other machinery.
Date: October 24, 1828
Creator: United States. Patent Office.
Partner: UNT Libraries Special Collections
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