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Rail-Joint.

Description: Patent for a new design of rail joints in which headed bolts and wedge plate have keyhole slots, including with illustrations.
Date: April 24, 1900
Creator: Park, Henry J.
Partner: UNT Libraries Government Documents Department

Mechanism for Overcoming Dead-Centers.

Description: Patent for a "mechanism for overcoming what are known in mechanics as 'dead-centers,' which occur in machines where a shaft is driven by means of a crank." (Lines 13-16) Includes instructions and illustrations.
Date: February 4, 1896
Creator: Johnson, Willie Harry
Partner: UNT Libraries Government Documents Department

Improvement in Tonic Remedies.

Description: Patent for a medicinal compound consisting of sulphate quinine, diluted sulphuric acid, purified chinoidine, sulphate iron, sulphate magnesia, peppermint oil, and saturated quassia-water. Includes instructions.
Date: January 11, 1876
Creator: Rucker, Benjamin Franklin
Partner: UNT Libraries Government Documents Department

Fire-Screen.

Description: Patent for a portable, ornamental fire screen. Includes instructions and illustrations.
Date: August 17, 1897
Creator: Havecotte, John H.
Partner: UNT Libraries Government Documents Department

Improvement in Gin-Saw-Filing Machines.

Description: Patent for a "gin-saw-filing machine consisting, essentially, of a rotary and intermittingly movable file, of an intermittingly-operated feed and check device, and of adjustable reciprocating sharpening-files".
Date: July 24, 1877
Creator: Eastham, Albert S.
Partner: UNT Libraries Government Documents Department

Improvement in Chairs.

Description: Patent for improvement in chairs, which provides adjustable shoulder supports and back (inclination and height), with intended advantages of better lung capacity and spinal alignment. The chair can be adjusted to fit all sizes of bodies. It is noted that some of the adjustable features could be incorporated into other furnishings such as beds or lounges. An additional feature of the chair is a retracting spring to assist the user in exiting the chair.
Date: May 9, 1876
Creator: Barnes, James W.
Partner: UNT Libraries Government Documents Department

Improvement in Axles for Vehicles

Description: Patent for "an Improvement in Wagon-Axle Skeins" that "has for its object to furnish an improved iron axle for wagons and other vehicles which shall be stronger without being heavier than iron axles made in the ordinary manner."
Date: July 2, 1872
Creator: Ahrenbeck, Charles
Partner: UNT Libraries Government Documents Department

Suspension-Bridge

Description: Patent for improvements in suspension bridges "to increase the strength of the same and reduce the n-umber of parts and simplify the general construction of the same" (lines 10-12).
Date: May 20, 1890
Creator: Hill, James Oliver
Partner: UNT Libraries Government Documents Department

Improvement in Pessaries.

Description: Patent for an improved uterine supporter with changes to the arrangement of the wings, with illustrations and instructions.
Date: October 31, 1876
Creator: Barnett, Jonathan P.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for "an improved fastening for the ends of bale-bands, whether the latter be constructed of sheet metal or wire." (lines 18-21) including instructions and illustrations.
Date: December 2, 1879
Creator: Camp, Ira M.
Partner: UNT Libraries Government Documents Department

Bale-Tie

Description: Patent for a bale tie made of aluminum which has a fastener attached to the band.
Date: March 3, 1908
Creator: Brigance, Alice Osborne
Partner: UNT Libraries Government Documents Department

Compound Engine.

Description: Patent for certain new and useful improvements in compound engines, including instructions and illustrations.
Date: June 20, 1899
Creator: Johnson, Willie H.
Partner: UNT Libraries Government Documents Department

Ventilator.

Description: Patent for a new and useful ventilator, including instructions and illustrations.
Date: February 27, 1900
Creator: Schumacher, Robert H.
Partner: UNT Libraries Government Documents Department