UNT Libraries Government Documents Department - 6 Matching Results

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Combination-Plow.

Description: Patent for combination-plow by providing a plow with “interchangeable parts, whereby the same may be used as a double-foot plow, a middle-breaking plow adapted for deep and shallow running and a sweep-stock” (lines 10-13), includes illustration.
Date: March 17, 1891
Creator: Davis, William H.

Cartridge Crimper.

Description: Patent for a new and improved cartridge crimper. This design consists of "tweezers having biting-heads, an interposed core and printing-stamp arranged within said core, a shell-holder surrounding the core, and a trimming-knife" (lines 78-82).
Date: December 17, 1889
Creator: Franklin, Edward A.

Improvement in Truss-Bridges.

Description: Patent for an improved method of truss-bridge construction, "whether made with a single or double roadway and with or without a sidewalk upon one or both sides, so as to enable them to be made with less material and less expense than when made in the ordinary manner, and which shall at the same time have an equal or greater strength." (Lines 14-20) Includes instructions and illustrations.
Date: November 17, 1874
Creator: Miner, John L.

Improvement in Insect-Destroying Compounds.

Description: Patent for a "compound for killing the cotton-worm and other insects that infest, eat, and damage the leaves of the cotton-plant," which "consists in combining a poisonous, an adhesive, and a diffusive ingredient in one and the same compound." (Lines 9-14) Includes instructions and illustrations.
Date: June 17, 1873
Creator: Royall, William B.

Dish-Cleaner.

Description: Patent for a dish cleaner that consists of an oscillating vessel where dishes are placed, which goes inside another vessel. The inner vessel has openings so the water can go in and out while cleaning dishes, and the vessel is hand-turned by a crank on the top of the machine.
Date: March 17, 1896
Creator: WIllie, William Thomas

Trace and Trace Chain Supporter.

Description: Patent for a new and improved trace and trace-chain supporter. This design consists "of the pivoted springy trace or chain keeper, and the hook or loop having its outer branch perforated, whereby the keeper itself is enabled to act as a spring, and after being sprung into its place is retained above the trace or chain by the conjoint agency of a shoulder or offset on the keeper and the outer branch of the loop or hook" (lines 43-50).
Date: June 17, 1890
Creator: Wroe, Missouria E.
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