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Swab Holder

Description: Patent for a swab holders. The invention is designed to be connected with a pump or piston rod for the purpose of lubrication. Illustration included.
Date: March 7, 1911
Creator: Steinert, Bernhardt W.
Partner: UNT Libraries Government Documents Department

Sprinkling-Stopper.

Description: Patent for a new and useful sprinkling stopper, including instructions and illustrations.
Date: March 27, 1900
Creator: Cook, Frederick W., Jr.
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for an improvement of a mechanical operated gate. Illustration included.
Date: March 22, 1904
Creator: Burkhardt, John F.
Partner: UNT Libraries Government Documents Department

Hoisting Apparatus.

Description: Patent for a hoisting apparatus for use in cranes.
Date: March 21, 1911
Creator: Fischer, Fritz, Jr.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for a new and improved gate. This design consists in "[t]he combination, with a swinging gate provided with a rearwardly-extending arm and a pivoted latch, of a crank-shaft journaled in said gate and connected to said latch, and an operating mechanism consisting of pivoted arms on supporting posts, rods or wires provided with loops and connecting the arms, one loop engaging with the rearward gate-arm and the other loop with the crank-shaft, and levers operating to give a longitudinal mov… more
Date: March 16, 1886
Creator: Gillis, Cyrus W.
Partner: UNT Libraries Government Documents Department

Electrical Signal System.

Description: Patent for an improved electrical signal system which can help ascertain "the position of a train or other obstruction on a railway-track ... at either terminal" (lines 14-16), including an illustration.
Date: March 6, 1906
Creator: Lacroix, Fred
Partner: UNT Libraries Government Documents Department

Electrical Signal System.

Description: Patent for an electrical system "whereby the position of a train anywhere between the ends of a track can be ascertained at either terminal" (lines 14-16).
Date: March 6, 1906
Creator: Lacroix, Fred
Partner: UNT Libraries Government Documents Department

Electrical Testing Device.

Description: Patent for "improvements in electrical testing devices, and more specifically to an improved fluxmeter for testing the strength of magnets" (lines 13-15).
Date: March 30, 1920
Creator: Bierbower, Richard C.
Partner: UNT Libraries Government Documents Department

Electrical Testing Device.

Description: Patent for an electrical device with an improved circuit arrangement in combination with various devices all assembled in compact arrangement on a board which enables to easily locate faults in various electrical apparatus or parts. This electric device is capable of use by anyone who isn't skilled as an electrician.
Date: March 30, 1920
Creator: Bierbower, Richard C.
Partner: UNT Libraries Government Documents Department

Drinking-Goblet, &c.

Description: Patent for a new and useful improvement in drinking goblets and other similar glassware.
Date: March 8, 1898
Creator: Jones, Edward Culliett, Jr.
Partner: UNT Libraries Government Documents Department

Eyeglasses

Description: Patent for "an improvement in eyeglasses; and it consists in certain novel constructions and combinations of parts" (lines 7-9), illustration and instructions included.
Date: March 13, 1900
Creator: Critzer, A. B.
Partner: UNT Libraries Government Documents Department

Fist-Blow Tester.

Description: Patent for a new and useful fist blow tester, including instructions and illustrations.
Date: March 8, 1898
Creator: Lee, Charles
Partner: UNT Libraries Government Documents Department

Fire Escape

Description: Patent for Fire Escape. "may be folded up out of the way when not in use, and which can be lowered to the ground and secured in position for use in an emergency in the shortest possible space of time and with the least expense of physical force." (lines 15-20) With illustrations.
Date: March 27, 1888
Creator: Hornby, James
Partner: UNT Libraries Government Documents Department

Refrigerating Machine.

Description: Patent for a new and improved refrigerator. This design "relates to that class of refrigerating or ice-making machinery wherein a liquefiable gas . . . is introduced into a compression-pump and is compressed to a state of liquefaction, the pressure being subsequently removed, the liquefied refrigerating agent expands with rapidity . . . and, the frigorific' effects produced by the volatile liquid again assuming its gaseous state, is utilized for absorption of heat; and the invention consists in… more
Date: March 16, 1886
Creator: Schuhle, Jacob
Partner: UNT Libraries Government Documents Department

Spring Saddle.

Description: Patent for a new and improved spring-saddle. This design consists in "[t]he combination, with the saddle-tree, the spiral springs secured in pairs under the lateral halves of the saddle-tree, and the stirrup-straps, of the metallic plates each provided with a series of holes about its edge for securing padding thereto, and with a notch and a slit at the middle of one side for the passage of the stirrup-straps" (lines 57-64).
Date: March 8, 1887
Creator: Quintero, Antonio Hidalgo
Partner: UNT Libraries Government Documents Department

Resilient Vehicle Wheel

Description: Patent for a resilient vehicle-wheel. Illustrations are included.
Date: March 19, 1912
Creator: Mathiesen, Marius
Partner: UNT Libraries Government Documents Department

Fluid Pressure Brake

Description: Patent for a fluid pressure brake. Illustration included.
Date: March 7, 1905
Creator: Butcher, George W.
Partner: UNT Libraries Government Documents Department

Food Composition

Description: Patent for food composition. This invention is designed to resemble Italian paste or macaroni.
Date: March 1, 1904
Creator: Dreiss, Edward
Partner: UNT Libraries Government Documents Department

Blackboard.

Description: Patent for a rotating blackboard that can be covered when not in use, as well as adjusted to different heights and locked into place so the writer can utilize every available space of the blackboard. The inventor designed the blackboard "for use in schools and brokerage offices."
Date: March 8, 1921
Creator: Grothaus, Julia
Partner: UNT Libraries Government Documents Department

Bat Roost

Description: Patent for a bat roost. Illustration included.
Date: March 1, 1910
Creator: Campbell, Charles A. R.
Partner: UNT Libraries Government Documents Department

Automobile-Pump

Description: Patent for an automobile tire pump that can be used with any size tire.
Date: March 4, 1913
Creator: Goeth, Richard Anton; Rodgers, Robert B. & Dittmar, John Albert
Partner: UNT Libraries Government Documents Department

Canopy-Support

Description: Patent for canopy support for the bed where the user can attach mosquito netting. The canopy support can be removed and folded when not in use, and is designed to offer simple and efficient support.
Date: March 26, 1918
Creator: Carroll, Houston M.
Partner: UNT Libraries Government Documents Department

Breech-Loading Fire-Arm.

Description: Patent for breech-loaded fire-arms, with illustrations. The purpose of the breech-loaded fire-arms was to improve existing fire-arms by allowing for a method to prevent accidental discharge.
Date: March 18, 1884
Creator: Schraud, Franz
Partner: UNT Libraries Government Documents Department

Carbid Feeding Device

Description: Patent for carbid feeding device. Illustration included.
Date: March 14, 1905
Creator: Sinclair, William
Partner: UNT Libraries Government Documents Department
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