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Valve.

Description: Patent for improvement in valves, by means of assuring a tight operating stem. The stem is comprised of two movable sections incorporated into a design purposed to prevent leakage by the stem. Additional mentions include acknowledged awareness of susceptibility to change and modification, convenience and facility, and simplicity as related to cost.
Date: December 24, 1918
Creator: Pratt, Robert L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lens Mounting.

Description: Patent for an improvement to spectacles to prevent lens breakage. The change to the design of the spectacles are mounts on the nose piece that attaches to the lenses, as well as mounts that attach to the temples of the spectacles and the lenses.
Date: May 18, 1918
Creator: Rees, Charles S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Leaf for Books

Description: Patent for certain improvements in leaves for books, specifically hotel registers and similar, that materially prolong the life of the leaf.
Date: April 23, 1918
Creator: Moore, William R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Track Switch

Description: Patent for "new and useful Improvements in Track-Switches" (lines 5-6) including illustrations.
Date: February 15, 1916
Creator: South, John T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mail Carrier or Container.

Description: Patent for a mail carrier designed with a ratchet and clamp to hold mail securely while also allowing for quick extraction of the mail.
Date: April 27, 1920
Creator: Blocker, Leck H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire.

Description: Patent for an improved tire designed with "necessary resiliency without requiring inflation" (lines 14-15). The internal core is designed in such a way that if will not collapse when punctured.
Date: December 17, 1918
Creator: Huffman, Orla L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire Structure

Description: Patent for a tire structure that eliminates circumferential differences and also renders a simpler, less expensive model for tire construction.
Date: October 7, 1919
Creator: Smith, Jesse G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Motor-Actuated Locking Device for Automobiles

Description: Patent for a device that prevents the drive shaft of an automobile from when moving when pushed by an unauthorized person. The device acts as a form of security to ensure unauthorized individuals are unable to move the vehicle. Additionally, the device can be used while the vehicle is in motion in order to slow the drive shaft, and thus the vehicle.
Date: November 18, 1919
Creator: Wherry, Robert D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Reamer.

Description: Patent for a reamer with a hexagonal shaped body and shell, central hub, a series of plates, springs, and metal dogs. Used for reaming well drilling tubes, which are used to drill artesian wells and deep water, and for cleaning out the reamer's own interior.
Date: April 24, 1911
Creator: Sly, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for the addition of interlocking extensions onto the ends of railway joints. The interlocking extensions make bolts and nuts unnecessary and provide a snug fit, which eliminates both lateral and longitudinal movement.
Date: October 10, 1911
Creator: Free, Andrew
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gage for Liquid-Containers.

Description: Patent for "new and useful improvements Gages for Liquid-Containers, of which the following is a specification" (lines 5-8). "This invention relates to new and useful improvements in gages and more particularly to a gage for receptacles containing liquids and the primary object is to provide a device of this character particularly adapted for use in connection with gasolene and oil tanks of automobiles" (lines 10-16).
Date: December 7, 1915
Creator: Reece, Eli Denton
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door Operating and Locking Device.

Description: Patent for an electric door or gate operating and locking device that allows for automatically opening and closing a door or gate and locking it when it is open or closed. This device may be turned off if necessary to allow for manually moving the door or gate and may be installed cheaply in preexisting structures.
Date: May 18, 1915
Creator: Pitts, Hood
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Picking Device

Description: Patent for cotton-picking device. The object of the invention is to provide a novel and improved device for picking cotton by hand. Patent is for the protection of the digits.
Date: January 25, 1921
Creator: Vincent, George Hilliard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Picking Machine

Description: Patent for a cotton picking machine. An improvement on the cotton picking machine that uses a pair of picking drums with attached picking fingers.
Date: April 6, 1915
Creator: Pruser, Gustav A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw-Handle.

Description: Patent for improvements in saw-handles. Invention provides for adjustable and detachable means for clamping of a saw blade. The device includes a "head member, means for clamping the end of a saw blade" (lines 19-20).
Date: February 18, 1919
Creator: Smith, Lee A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Reversing Mechanism For Engines.

Description: Patent for improvements in "reversing mechanism for engines, where the operating lever may be supported in such a manner as to substantially eliminate lost motion, and where the reverse lever may be operated with greater convenience and facility." (lines 11-17).
Date: December 5, 1916
Creator: Wagner, Warren
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dirigible Headlight

Description: Patent for new design for dirigible headlights by Mr. Hall B. Simpson and Mr. Dewitt Hood, designed with the intention of providing "novel and improved means whereby the headlights are supported by the automobile or other vehicle for turning movement about vertical axes," alongside various innovative applications (lines 23-27).
Date: December 16, 1919
Creator: Simpson, Hall B. & Hood, Dewitt
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gate-Operating Device

Description: Patent for a gate opening device that consists of a hinge, cable, and spring that allows a gate to open after a slight push by a pedestrian or vehicle.
Date: February 24, 1920
Creator: Wilbanks, Andrew J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Engine-Starter

Description: Patent for improvements to engine starters that enable the driver of an automobile to start an engine by applying pressure to foot pedals.
Date: June 24, 1913
Creator: Morgan, August C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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