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in creator/contributor: "Kirk, John P."  
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Plow.

Description: Patent for a new and improved plow. This design consists in a "hollow hub or sleeve in combination with the universal joint composed of a band fitting loosely within said sleeve, a gimbal-ring pivoted to said band, and a knuckle pivoted to said gimbal-ring, whereby motion may be transmitted from one rotary body to another when the planes of rotation are or are not parallel to each other" (lines 88-95).
Date: October 18, 1887
Creator: Kirk, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with the driving-wheel . . . the rotary mold-board, and the plow-beam, of the universal joint composed of the hollow portion of the hub of the driving-wheel, a ring pivoted thereto, a knuckle pivoted to said ring, and a band encircling the hollow portion of said hub and fixed to the said plow-beam" (lines 6-13).
Date: October 18, 1887
Creator: Kirk, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pinless Clothes-Line.

Description: Patent for a pinless clothes line that consists of a series of links that have spring coils and spring clasps. The links also have a loop that is concave on one side.
Date: January 16, 1894
Creator: Kirk, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a simple and efficient car coupling that easily couples by impact, and can uncouple without going between cars.
Date: July 31, 1894
Creator: Kirk, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Chain-Link.

Description: Patent for a harness ring for connecting and disconnecting from other fastening hooks, chains, or rings, including illustration.
Date: November 13, 1860
Creator: Kirk, John P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air-Chamber.

Description: Patent for an air-chamber that pumps in air confined with a flexible diaphragm to spray or diffuse fluid, including illustration.
Date: June 18, 1861
Creator: Creuzbaur, Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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