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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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow. Illustration included.
Date: June 29, 1909
Creator: Cadenhead, Robert H.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sign.

Description: Patent for signs, bulletin boards and other display apparatus; the purpose of this device is that display elements may be reversed from time to time to change announcement displayed.
Date: June 21, 1921
Creator: Nowlin, Aubrey C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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