UNT Libraries Government Documents Department - 7 Matching Results

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Car Coupling.

Patent for a new and improved coupling for railroad cars. This design "is to provide a . . . car-coupling link which automatically uncouples cars in case one or more of the cars runs off the track" (lines 7-10).

Date: February 27, 1883

Creator: Keller, Henry

Item Type: Patent

Hair-Singer

Patent for a hair singer that contains the odor and smoke produced by singed hair.

Date: February 25, 1913

Creator: Eldridge, Edward H.

Item Type: Patent

Improvement in Vibrating Propellers

Patent for Improvement in vibrating propellers for steamers to improve the ability to control the vessel. Includes two illustrated and labeled figures.

Date: February 18, 1873

Creator: Macowitzky, Charles P.

Item Type: Patent

Insect-Trap.

Patent for an insect trap that attracts insects with a light.

Date: February 7, 1911

Creator: Wood, Robert N.

Item Type: Patent

Mechanical Calculator.

Patent for improvements in pivoting arm and sliding arm calculators. Includes instructions and illustrations.

Date: February 23, 1892

Creator: Mader, Theodore

Item Type: Patent

Pipe Connection.

Patent for "an improved means of connecting the T which usually joins the pipe of a windmill-operated pump to a cistern-pipe" (lines 7-9)

Date: February 10, 1903

Creator: Collins, Livingston G.

Item Type: Patent

Vacuum Cotton-Picking Machine.

Patent for vacuum cotton picking machine and improvements, such as it is more portable, a receiver for the cotton and discharge of the cotton, and an improved cotton picking nozzle.

Date: February 12, 1918

Creator: Chaney, Bailey E.

Item Type: Patent

UNT Libraries Government Documents Department - 7 Matching Results

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Car Coupling.

Hair-Singer

Improvement in Vibrating Propellers

Insect-Trap.

Mechanical Calculator.

Pipe Connection.

Vacuum Cotton-Picking Machine.