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Improvement in Devices for Teaching Musical Transposition.

Description: Patent for an improvement in devices for teaching musical transposition. The invention in question is composed of a keyboard "with sliding instruments and scales" (1).
Date: April 25, 1876
Creator: Allison, Thomas J.
Partner: UNT Libraries Government Documents Department

Window-Sash.

Description: Patent for a window sash with metal guides, which hold the window sash in place without the use of other holding devices.
Date: October 20, 1908
Creator: Holbrook, Milo Franklin
Partner: UNT Libraries Government Documents Department

Improvement In Machines For Filing Saws.

Description: Patent for improvements in the construction of machines for filing saws. Description of the construction and illustrations are attached.
Date: August 19, 1879
Creator: Basom, Ransford W.
Partner: UNT Libraries Government Documents Department

Bath-Tub.

Description: Patent for "a super bath-tub of that class in which the small portable or foot tub is provided with a removable shield and seat capable of enlarging the size of the tub and of furnishing a rest for the person using the tub." (Lines 8-12) Includes instructions and illustrations.
Date: April 6, 1897
Creator: Lacy, John C.
Partner: UNT Libraries Government Documents Department

Lumber-Truck.

Description: Patent for a simple and durable lumber truck that is "arranged to conveniently load and carry lumber to and from kilns and other places" (lines 9-11). It has double flanged wheels in independent frames that are connected by crossbars.
Date: March 28, 1893
Creator: Dodge, Edward
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow that improves the type of plow employing "a moldboard and plowpoint or share bolted to a standard" (lines 9-11), with illustrations. This patent improves upon previous patents numbered 974,675 and 974,676 issued to the same inventor on November 1, 1910.
Date: January 6, 1920
Creator: Kelly, Robert Marvin
Partner: UNT Libraries Government Documents Department

Steam Boiler Feeder

Description: Patent for improvments in automatic steam-boiler feeders
Date: April 7, 1887
Creator: Kelly, George A.
Partner: UNT Libraries Government Documents Department

Sash Balance.

Description: Patent for an improved window sash balance, including instructions and illustrations.
Date: September 8, 1914
Creator: Jones, John T.
Partner: UNT Libraries Government Documents Department

Colter.

Description: Patent for the instructions on of how to construct a Colter including illustrations.
Date: April 25, 1916
Creator: Elder, James Zedrick
Partner: UNT Libraries Government Documents Department

Self Setting Trap

Description: Patent for self setting trap. Illustration included.
Date: October 10, 1905
Creator: Massie, Samuel Jett
Partner: UNT Libraries Government Documents Department

Screen

Description: Patent for a screen for doors that can be shipped and sold in a manner that it can be readily assembled. Illustration included.
Date: November 13, 1906
Creator: Pinkham, Delmar D.
Partner: UNT Libraries Government Documents Department

Window and Door Screen

Description: Patent for a screen used with windows and doors. Illustration included.
Date: October 10, 1908
Creator: Pinkham, Delmar D.
Partner: UNT Libraries Government Documents Department

Metal-Coating Composition.

Description: Patent for a metal coating composition to form a protective coating on metals and steel to prevent rust and corrosion.
Date: May 24, 1921
Creator: Ethridge, Thomas Jefferson
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow. Illustration included.
Date: November 1, 1910
Creator: Kelly, Robert Marvin
Partner: UNT Libraries Government Documents Department

Combined Grubbing, Subsoiling, and Turning Plow

Description: Patent for a combined grubbing, subsoiling, and turning plow. Illustration included.
Date: May 23, 1905
Creator: Toler, Henry Wilson
Partner: UNT Libraries Government Documents Department

Improvement in Cotton and Hay Presses

Description: Patent for new cotton and hay presses with new bailing designs, including illustrations.
Date: September 1, 1877
Creator: Methvin, Boling J.
Partner: UNT Libraries Government Documents Department

Nasal Expander.

Description: Patent for ensuring the the nasal passage does not collapse, contract, or close for breathing improvement while sleeping, including illustrations and instructions.
Date: January 9, 1912
Creator: McConnell, Franz Marshall
Partner: UNT Libraries Government Documents Department

Spring-wheel.

Description: Patent for an enhanced spring-wheel featuring novel adjustments to the tread and assembly of side plates, includes illustrations.
Date: September 2, 1919
Creator: Thomas, James Alfored
Partner: UNT Libraries Government Documents Department

Screen

Description: Patent for a screen. This invention is designed to allow for an adjustable screen to over come inequalities and inaccuracies of the window frame. Illustration included.
Date: March 15, 1904
Creator: Pinkham, Delmar D.
Partner: UNT Libraries Government Documents Department

Screen

Description: Patent for a screen. This invention comprises a class of window screens with metal frames. Illustration included.
Date: March 15, 1904
Creator: Pinkham, Delmar D.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow, which has a stronger attachment for the share to the rest of the plow.
Date: November 1, 1910
Creator: Kelly, Robert Marvin
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow. Illustration included.
Date: July 26, 1904
Creator: Kelly, George A.
Partner: UNT Libraries Government Documents Department

Improvement in Measuring Packaged Fabrics

Description: Patent for an improved device to measure textiles and other similar fabrics, including instructions and illustrations.
Date: March 13, 1877
Creator: Bond, Virgil A.
Partner: UNT Libraries Government Documents Department

Liquid Cooler.

Description: Patent for a new and improved liquid cooler. This design "provide[s] an apparatus by means of which a variety of liquids may be simultaneously cooled as required for use as beverages, and by which the glasses or drinking vessels may be at the same time cooled and protected from dust and insects" (lines 14-20).
Date: January 25, 1881
Creator: Capps, Matterson F.
Partner: UNT Libraries Government Documents Department
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