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Pipe Coupling.

Description: Patent for pipe coupling in which the ends of pipes have interlocking attachments which can be both dissembled and reinforced for protection against accidental disengagement.
Date: August 17, 1920
Creator: McCullar, Willie A. & Ayraud, Jules J.
Partner: UNT Libraries Government Documents Department

Razor-Stropping Device

Description: Patent for a razor-stropping device, which straightens and polishes the razor blade.
Date: August 17, 1915
Creator: Bowman, Levi M. & Farmer, William C.
Partner: UNT Libraries Government Documents Department

Planter.

Description: Patent for the operating gear in planters. Includes instructions and illustrations.
Date: August 17, 1897
Creator: Schofield, James Drommond
Partner: UNT Libraries Government Documents Department

Railroad Joint

Description: Patent for a railroad joint. Illustration included.
Date: August 17, 1909
Creator: Coupland, David B.
Partner: UNT Libraries Government Documents Department

Ore Concentrator

Description: Patent for a "machine for separating ores of precious metals, and particularly to that class of machines known as 'dry concentrators or separators,' used for separating fold ore by means of an air-blast over dry sand, gravel, quartz, etc." (lines 10-15). Illustrations and instructions are included.
Date: August 17, 1897
Creator: Waer, Luis M.
Partner: UNT Libraries Government Documents Department

Pistol Stock Gun.

Description: Patent for a detachable stock member for a pistol stock gun. Decreases the amount of space needed to store the gun when transporting it.
Date: August 17, 1915
Creator: High, Frederick Herman
Partner: UNT Libraries Government Documents Department

Drop Propeller for Boats

Description: Patent for a drop propeller for boats. This design is to allow boats to easily cross reefs. Illustration included.
Date: August 17, 1909
Creator: Stribling, Franklin E.
Partner: UNT Libraries Government Documents Department

Dust Box.

Description: Patent for a new and improved dust-box. This design consists in "[t]he combination, with a floor having an aperture cut into it and provided with a door flush with the surface of the floor, of a dust-box having a square bottom and diverging sides formed with outwardly-projecting flanges re-enforced upon their under sides by plates or bars and having strips secured to the inner sides, having their upper ends bent inward" (lines 76-83).
Date: August 17, 1886
Creator: Ethridge, John H.
Partner: UNT Libraries Government Documents Department

Draft-Gear for Railway Cars

Description: Patent for a draft gear for railway cars that allows a simple and efficient means of repairs or substitutions of sills or beams that may be done without dissociating the draft bar so that a car may not be out of commission for a considerable length of time.
Date: August 17, 1915
Creator: Moorman, James M.
Partner: UNT Libraries Government Documents Department

Silo.

Description: Patent for an adjustable size silo, including illustrations.
Date: August 17, 1915
Creator: Starr, William Burr
Partner: UNT Libraries Government Documents Department

Roller-Distributor.

Description: Patent for the invention of a roller distributor, or roller cam, that can "provide novel means whereby friction will be reduced" (lines 12-13) through the use of "a novel spring means being employed" (lines 13-14) in certain affordable, widely used vehicles.
Date: August 17, 1920
Creator: Lopez, Bruno
Partner: UNT Libraries Government Documents Department

Slime-Pulp Thickener

Description: Patent for a device for thickening slime or pulp in the treating of ores wet milling. The device controls the disbursement of slim pulp in the thickener, producing a better solid to liquid ratios.
Date: August 17, 1920
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Improvement in Beer-Refrigerators.

Description: Patent for "an improved refrigerator for cooling lager-beer in the keg, and keep it cool for a long time with a small quantity of ice" (lines 15-18) including illustrations.
Date: August 17, 1875
Creator: Bohart, John N.
Partner: UNT Libraries Government Documents Department

Dental Handpiece.

Description: Patent for an improvement on a dental handpiece that is made of fewer parts and is cheaper to make. It makes insertion and removal of the drill easier, and keeps the drill in place more securely.
Date: August 17, 1920
Creator: Graves, Robert E.
Partner: UNT Libraries Government Documents Department

Frame for Trunks, Valises, &c.

Description: Patent for frames for trunks, boxes, vehicle-bodies, etc., which requires no bolts and can be cast in a single piece of metal. Includes instructions and illustrations.
Date: August 17, 1897
Creator: Turner, Ephraim M.
Partner: UNT Libraries Government Documents Department

Gearing For Bicycles.

Description: Patent relating to "a new and useful improvement in gearing for bicycles and the like, and has for its object to so construct and arrange a device of this description as to avoid sudden shocks or jars which are occasioned by unevenness in the road-bed over which the machine is traveling, and also to enable the rider to exert a sudden force upon the pedals without straining the framework or wheels of the machine" (lines 9-18).
Date: August 17, 1897
Creator: Godfray, Ernest H.
Partner: UNT Libraries Government Documents Department

Sod Cutting and Disintegrating Machine.

Description: Patent for a sod cutting and disintegrating machine that has a wheel-supported frame, inclined elevator, plow attached to the elevator, front truck, and disintegrating rollers.
Date: August 17, 1920
Creator: Thompson, Robert L.
Partner: UNT Libraries Government Documents Department

Hand Harvester.

Description: Patent for a hand harvester that contains a plate and cutter to be used for harvesting corn and maize with more ease.
Date: August 17, 1920
Creator: Taylor, Joseph S.
Partner: UNT Libraries Government Documents Department

Electrical Testing Device.

Description: Patent for new and useful improvements in electrical testing devices. The invention provides references to innovative changes that allow for improved high-tension coil and armature testing.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Partner: UNT Libraries Government Documents Department

Electrical Testing Device

Description: Patent for a device to test electrical circuits for faults which is cheaper to manufacture, easier to use, smaller and more durable.
Date: August 17, 1920
Creator: Bierbower, Richard C.
Partner: UNT Libraries Government Documents Department

Float-Valve.

Description: Patent for a float valve not using slots and links, including illustrations.
Date: August 17, 1915
Creator: Garrott, John Collier
Partner: UNT Libraries Government Documents Department

Rotary-Razor

Description: Patent for rotary razors that includes a rotating blade that approaches and passes over the skin to avoid cuts or scrapes. The blade on the razor is tilted too far out to cause cuts and scrapes, yet it provides a sufficient shave.
Date: August 17, 1920
Creator: Jones, Sidney P.
Partner: UNT Libraries Government Documents Department

Signal

Description: Patent for a signal that allows trainmasters to move trains in sections. Illustration included.
Date: August 17, 1909
Creator: Cairncross, Robert L.
Partner: UNT Libraries Government Documents Department
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