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Washer.

Description: Patent for improvements in washers by providing a washer with “two pivoted members, which can be swung open to insert the washer without removing the bolt or spoke upon when the washer needed to be replaced.” (Lines 10-13, p. 1) Illustration is included.
Date: October 14, 1913
Creator: Bulter, Joseph F.
Partner: UNT Libraries Government Documents Department

Ice-Can Fastener for Ice Plants.

Description: Patent for an ice-can fastener that can be easily opened and closed, allowing water to freeze quickly in the can. The patent includes instructions and illustrations.
Date: August 11, 1914
Creator: Drake, William C.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a new and improved wrench, which is especially useful for machinists. The improvement to existing wrench technology is present in positions where a thin jaw wrench is necessary and in removing parts upon which an ordinary nut wrench, even thin jawed, would act.
Date: May 6, 1913
Creator: Seale, Jefferson, W.
Partner: UNT Libraries Government Documents Department

Self-Dumping Cage for Hoisting Coal, & c., from Mines.

Description: Patent for improvements in self-dumping cage for hoisting coal or other minerals by first provide a simple and easily-controlled dumping mechanism which can be set at bottom of shaft; second, to secure a positive action of the dumping mechanism and reduce the shock and strain commonly incident to the operation of self-dumping cages; third, to provide a firmer and more easily operated dog for holding car on cage-platform. (Lines 15-22) Illustration is included.
Date: June 25, 1901
Creator: Burdic, Malvern W.
Partner: UNT Libraries Government Documents Department

Apparatus for Treating Ankylosis of the Knee

Description: Patent for an apparatus for treating knee ankylosis that is ready to use at a moments notice "without unnecessary or nervous shock to the invalid to apply the requisite heat, extension, and flexion to an afflicted part to render it supple and restore to its natural functions". (lines 11-15).
Date: September 19, 1905
Creator: Norwood, Robert R.
Partner: UNT Libraries Government Documents Department

Churn Operator

Description: Patent for a Churn Operator. This device contains specifications for operating churn-dashers, as well as improvements for the established churn operator.
Date: April 13, 1905
Creator: Ham, James T.
Partner: UNT Libraries Government Documents Department

Sash-Balance.

Description: Patent for improvements in window-sash balances, in which the two sashes are connected, “so that they will not only balance but also either may be raised or lowered without affecting the other.” (Lines 17-20) Illustration is included.
Date: May 26, 1891
Creator: Christian, James F.
Partner: UNT Libraries Government Documents Department