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Elevator-Wrench

Description: Patent for an improvement in elevator wrenches. The device is meant to be used with rotary drilling machines for "supporting the drilling the drill pipe and for holding it from rotation during the releasing of the several joins of the pipe when it is necessary to withdraw the drill from the well hole."
Date: October 13, 1914
Creator: Lebus, George Franklin
Partner: UNT Libraries Government Documents Department

Engine Control

Description: Patent for a car part that goes on the engine to help control fuel supply, and to keep engine parts from burning up.
Date: May 29, 1915
Creator: Craddock, L. J.
Partner: UNT Libraries Government Documents Department

Extension Pedal Attachment

Description: Patent for extension pedal for automobiles that can be easily and readily adjusted and applied to any ordinary automobile pedal, with illustration (lines 10-15).
Date: February 16, 1915
Creator: Harrington, Fred
Partner: UNT Libraries Government Documents Department

Strap Fastener

Description: Patent for a strap fastener to be used for clamping devices such as harnesses, saddles, reins, and tie-straps. Illustration included.
Date: February 22, 1910
Creator: Carlson, Frank A. & Rhodes, L. D.
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for improvements on spring wheels especially those adapted for motor vehicles.
Date: November 22, 1911
Creator: Coble, Ernest L.
Partner: UNT Libraries Government Documents Department

Power-Transmitting Mechanism.

Description: Patent for an improved power-transmitting mechanism for, "bicycles, motorcycles and similar vehicles whereby rotation is transmitted to the driven wheel without the use of chains, belts, gears or analogous elements commonly employed for this purpose" (lines 14-18). The invention will maximize driving power while minimizing energy expenditure (lines 19-24), employ a propelling mechanism, and reduce manufacturing and repair costs.
Date: March 11, 1919
Creator: Grubb, Orin A.
Partner: UNT Libraries Government Documents Department

Table Attachment for Beds.

Description: "Patent for beds and is particularly designed as an improvement on the attachment covered." (lines 10).
Date: February 29, 1916
Creator: Thorniley, Clarence W.
Partner: UNT Libraries Government Documents Department

Gas-Burning Stove.

Description: Patent for an improved gas burning stove with a new design to better unite the oxygen in the air and the gas fuel.
Date: November 10, 1914
Creator: Ziegler, John C,
Partner: UNT Libraries Government Documents Department

Locomotive Brake-Shoe

Description: Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
Partner: UNT Libraries Government Documents Department

Brake Shoe

Description: Patent for an M.C. B.-type reinforced brake shoe that can be manufactured in small foundries without special machinery.
Date: November 14, 1916
Creator: Christensen, Jacob V. C. T.
Partner: UNT Libraries Government Documents Department

Bevel-Square

Description: Patent for improvements in bevel squares used by carpenters, mechanics, and other similar work to represent the work of multiple bevels at once "to minimize and facilitate operations in fitting the parts of an objective structure together..." (Lines 19-21).
Date: December 9, 1919
Creator: Seay, Mathew E.
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for a safety valve that closes a conduit when a change in pressure occurs that shuts off the supply of fluid (or gas) until the valve is manually reset.
Date: May 26, 1914
Creator: Ruffner, Earl S.
Partner: UNT Libraries Government Documents Department

Crossing-Gate.

Description: Patent for improvements to crossing gates through a device that helps facilitate the gates' automatic closing and opening position.
Date: September 18, 1917
Creator: Hood, Lemuel L.
Partner: UNT Libraries Government Documents Department

Card Holder

Description: Patent for card holders meant to help better display business cards and other forms of advertisement on surfaces such as windows.
Date: March 4, 1919
Creator: Hill, L. W.
Partner: UNT Libraries Government Documents Department

Apparatus for Destroying Insects

Description: Patent for an apparatus for destroying insects. Illustrations included.
Date: May 23, 1911
Creator: Crow, William M. & Crow, Levi H.
Partner: UNT Libraries Government Documents Department

Closet

Description: Patent for a dry closet. Illustrations included.
Date: April 2, 1912
Creator: Crow, Levi H.
Partner: UNT Libraries Government Documents Department
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