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Improvement in Car-Brakes.

Description: Patent for "car-brakes that work automatically and without manual intervention as soon as the locomotive is stopped." (Lines 12-14) Includes instructions and illustrations.
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Partner: UNT Libraries Government Documents Department

Improvement in Car-Brakes.

Description: Patent for "a means for the automatic application of brakes to the cars of a railway-train; and it consists in a loosely-moving draw-bar attached to the car by means of bolts passing through a central longitudinal slot, and having its sides wrought into two rack-bars, which mesh with pinions upon two windlass-shafts; which arrangement, when the locomotive is "slowed," causes the impact of the cars to drive up the draw-bars and wind up cords upon the windlass-shafts, which communicated with and … more
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Partner: UNT Libraries Government Documents Department

Device for Twisting Wire Cables of Suspension Bridges.

Description: Patent for a new and improved cable twister. This design consists in "[t]he combination, with the casting having grooves and openings therein, of the semicircular disks . . . having grooves therein and openings extending through the same, the bolt for binding the several parts together, and the arms extending out from the disks" (lines 1-7).
Date: June 11, 1889
Creator: Runyon, Edwin Elijah
Partner: UNT Libraries Government Documents Department

Improvements in Velocipedes

Description: Patent for improvements to a single-wheel velocipede.
Date: June 20, 1869
Creator: Dillaha, J. G.
Partner: UNT Libraries Government Documents Department

Door-Hinge.

Description: Patent for new modification in a door hinge, its construction and working details.
Date: June 6, 1916
Creator: Cunningham, Melville Boyd
Partner: UNT Libraries Government Documents Department

Derrick.

Description: Patent for improvements to derricks for oil wells.
Date: June 9, 1920
Creator: Babek, Frank
Partner: UNT Libraries Government Documents Department

Dental Tool

Description: Patent for a dental tool that is to "prevent the loss of amalgam" (p. 2).
Date: June 19, 1888
Creator: Morris, James P.
Partner: UNT Libraries Government Documents Department

Vehicle Step.

Description: Patent for a foldaway step that can be mounted on the side of a vehicle.
Date: June 28, 1892
Creator: Walton, Sam H. & Smith, James H.
Partner: UNT Libraries Government Documents Department

Improvement in Fire-Tongs.

Description: Patent for improvement in fire-tongs with legs forked below the joint and riveted together.
Date: June 16, 1874
Creator: Kenney, Martin M.
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Engines.

Description: Patent for improvements in rotary engines.
Date: June 5, 1866
Creator: Hughes, Robert
Partner: UNT Libraries Government Documents Department

Piston-Ring.

Description: Patent for metallic piston rings to allow for expansion and contraction without leakage.
Date: June 15, 1920
Creator: Jordan, Robert M.
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow. Illustration included.
Date: June 29, 1909
Creator: Cadenhead, Robert H.
Partner: UNT Libraries Government Documents Department

Railroad-Rail

Description: Patent for a new railroad rail design. Illustrations included.
Date: June 25, 1907
Creator: King, Alphonse
Partner: UNT Libraries Government Documents Department

Shelving

Description: Patent for a shelving unit designed to display books for sale in a storefront, including illustrations.
Date: June 22, 1920
Creator: Wieman, Herman A.
Partner: UNT Libraries Government Documents Department

Improvement in Buckles.

Description: Patent for an improvement in buckles which involves the creation of a diamond-shaped plate.
Date: June 27, 1876
Creator: Kennon, William F.
Partner: UNT Libraries Government Documents Department

Design for a Ridge-Conduit

Description: Patent for a new, original, and ornamental Design for a Ridge-Conduit.
Date: June 20, 1916
Creator: Zetak, Joseph J.
Partner: UNT Libraries Government Documents Department

Bolt for Doors.

Description: Patent for the improvement of bolt locks on double doors using a lever lock for safety and ease of locking and unlocking one or both doors, including illustration.
Date: June 26, 1860
Creator: Bonney, N. W.
Partner: UNT Libraries Government Documents Department

Air-Chamber.

Description: Patent for an air-chamber that pumps in air confined with a flexible diaphragm to spray or diffuse fluid, including illustration.
Date: June 18, 1861
Creator: Creuzbaur, Robert
Partner: UNT Libraries Government Documents Department

Umbrella-Holder

Description: Patent for an umbrella holder. Illustrations included.
Date: June 16, 1908
Creator: Perkins, Kate Alice
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Tie fastenings.

Description: Patent for the improvement of bale-tie fastenings, including illustrations.
Date: June 2, 1874
Creator: Davis, Waters S.
Partner: UNT Libraries Government Documents Department

Projectile.

Description: Patent for improvements in projectiles for use in smooth-bore guns of any caliber, the same being so grooved or rifled as to insure rapid rotation and great accuracy and range in flight. (Lines 8-11.) Illustration is included.
Date: June 25, 1901
Creator: Croom, Alvis F.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for an improvement in plows which will allow for adjustments in width.
Date: June 26, 1876
Creator: Traweek, Robert C.
Partner: UNT Libraries Government Documents Department

Pencil Compasses

Description: Patent for a compass connected to an ordinary pencil.
Date: June 16, 1903
Creator: Miller, James H.
Partner: UNT Libraries Government Documents Department

Safety-Lock For Doors and the Like.

Description: Patent for improvements in door safety locks. Adding this simple and easy to manufacture lock allows a door to be locked from the inside, making the door inaccessible to anyone on the outside.
Date: June 21, 1921
Creator: Kless, Herman L.
Partner: UNT Libraries Government Documents Department
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