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Gin.

Description: Patent for improved cotton gins through the "construction and arrangement of the roll box and the ginning devices" (lines 11-12).
Date: December 12, 1911
Creator: Murray, Stephen D.
Partner: UNT Libraries Government Documents Department

Brush-Cylinder for Cotton-Gins.

Description: Patent for brush cylinders for cotton gins which when clamped have no need to be further secured or fastened.
Date: December 12, 1911
Creator: Murray, Stephen D.
Partner: UNT Libraries Government Documents Department

Process of and Apparatus for Sizing Comminuted Material.

Description: Patent for "certain new and useful improvements in process of and apparatus for sizing or classifying comminuted material according to the size of the particles of the material" (lines 13-16), including illustrations and instructions.
Date: December 1, 1914
Creator: Sutton, Henry M.; Steele, Walter L. & Steele, Edwin G.
Partner: UNT Libraries Government Documents Department

Concrete Composition

Description: Patent for a formulation of waterproof concrete that utilizes lava rocks.
Date: December 17, 1918
Creator: Charles E. Barglebaugh
Partner: UNT Libraries Government Documents Department

Lawn Swing

Description: Patent for an improved version of a Lawn Swing that is easily constructed and weather resistant, including illustrations.
Date: December 12, 1919
Creator: Galipp, Herman C.
Partner: UNT Libraries Government Documents Department

Window Shade Guide.

Description: Patent for window shade roller guides. This invention ensured a smooth and successful unrolling of the window shade, allowing the shade to be guided by a two-part attachment on the sides of the window shade spool. The inventor claimed that the use of this apparatus could preserve the integrity of the roller by minimizing damage during operation.
Date: December 2, 1919
Creator: Orr, James E.
Partner: UNT Libraries Government Documents Department

Type Writing Machine.

Description: Patent for a type writing machine that is small and portable, including illustrations.
Date: December 30, 1890
Creator: Depuy, Gilbert L.
Partner: UNT Libraries Government Documents Department

Interest-Computing Device.

Description: Patent for a mechanical interest computing device, which is designed to be simple to build, maintain, and operate.
Date: December 10, 1918
Creator: Harris, Ira S.
Partner: UNT Libraries Government Documents Department

Machine For Elevating And Feeding Seed Cotton

Description: Patent for a machine for elevating and feeding seed cotton. Illustration included.
Date: December 19, 1905
Creator: Benefield, Chauncey R.
Partner: UNT Libraries Government Documents Department

Water Heater

Description: Patent for water heater. The invention is designed to use gas as fuel to heat the water heater. Illustrations included.
Date: December 4, 1906
Creator: Simpson, Ray C.
Partner: UNT Libraries Government Documents Department

Well Drill.

Description: Patent for a new and improved well-drill. This design consists "[i]n a drill, the cylinder closed at its upper end by a head with a stuffing-box and a tapering opening and provided at its lower end with suitable cutters, in combination with an operating-rod passing through the upper head and a weight, said operating-rod being provided with spring-arms adapted to engage and raise said weight within the cylinder and at the top thereof automatically to release it" (lines 27-35).
Date: December 30, 1890
Creator: Welke, William Robert
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus meant "to provide improved means for adjusting and withdrawing drill-tools without removing the drill-rod to provide a folding reamer and means for adjusting the blades thereof, and to provide means for conveying water to the drill, whereby the drillings are carried up outside of the drill-rod or barrel" (lines 9-16).
Date: December 24, 1895
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Inking-Roller for Printing-Presses.

Description: Patent for an inking roller for printing presses, which reduces ink waste by only putting ink on the type.
Date: December 1, 1908
Creator: Munzesheimer, Adolph
Partner: UNT Libraries Government Documents Department

Invalid bed

Description: Patent for an invalid bed. Illustrations included.
Date: December 4, 1906
Creator: Prichard, Henry L.
Partner: UNT Libraries Government Documents Department

Improvement in Force - Pumps.

Description: Patent for new and improved force pump with three cylinders.
Date: December 22, 1874
Creator: Chambers, J. C.
Partner: UNT Libraries Government Documents Department

Traffic-Signal.

Description: Patent for a traffic signal that provides a way for automobiles to notify other vehicles that the operator is about to make a turn or bring his vehicle a stop, with illustrations.
Date: December 23, 1919
Creator: Tillery, John F.
Partner: UNT Libraries Government Documents Department

Ventilated Body-Garment.

Description: Patent for new ventilated body-garments "known as union-oversuits or "unionalls"" (lines 15-16) which improves the shoulder coverings and open armpit areas, allowing the passage of air but covering the area from rain.
Date: December 28, 1920
Creator: Jenkins, William M. & Vaughan, William H.
Partner: UNT Libraries Government Documents Department

Water Cooler.

Description: Patent for a new and improved water cooler. This design "consist[s] of the outer vessel having the removable cover provided centrally with an aperture, the inner vessel supported on legs centrally within the outer vessel and provided with perforated shelves, the keepers for locking the two vessels at a regulated distance apart concentric with each other, and the removable cap to the inner vessel provided with a vertical tube communicating with the interior of the inner vessel and passed through… more
Date: December 3, 1889
Creator: Clark, James P.
Partner: UNT Libraries Government Documents Department

Propeller-Wheel.

Description: Patent for "a construction of propeller-wheel that will permit a large reduction in the wheel-diameter without impairing its effectiveness, and which will thereby bring the resistance nearer to the crank-range of the motive power, and also to increase the bucket or blade surface of the wheel and at the same time afford such clearance at the center of the wheel as will relieve resistance to easy operation of the engine or motive power." (Lines 18-27) Includes instructions and illustrations.
Date: December 15, 1896
Creator: Parker, Elisha J.
Partner: UNT Libraries Government Documents Department

Improvement in Animal-Traps.

Description: Patent for improvement in animal-traps, with description and illustrations.
Date: December 26, 1876
Creator: Anderson, Zachariah J.
Partner: UNT Libraries Government Documents Department

Improvement in Air-Pressure Fluid-Vents.

Description: Patent for "new and useful improvements in air-pressure automatic fluid vents for the use in the discharge of all liquids" (lines 3-6), including instructions and illustrations.
Date: December 25, 1877
Creator: Park, Hardy B.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for a butter churn.
Date: December 15, 1874
Creator: Sreeves, Charles B.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for an adjustable hydrocarbon burner for use in cement kilns.
Date: December 20, 1910
Creator: Dietz, William
Partner: UNT Libraries Government Documents Department

Plow Attachment

Description: Patent for Plow Attachment
Date: December 5, 1916
Creator: Smith, Fletcher
Partner: UNT Libraries Government Documents Department
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