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  Partner: UNT Libraries Government Documents Department
 Resource Type: Patent
 County: Johnson County, TX
Washing-Machine.

Washing-Machine.

Date: April 7, 1891
Creator: Polk, Kindrick Ford
Description: Patent for improvements in washing-machines by using a combination of adjustable stationary rubbing-board and a rotary rubbing-cylinder to regulate the pressure on the clothes and at the same time, clothes can be cleaned without injury to them. Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Means for Operating Churns.

Means for Operating Churns.

Date: July 14, 1891
Creator: Conner, Laurance H.
Description: Patent for improvement in operation of churns by using a spring-bar to press the flanged wheel against the driving-wheel to cause the dasher-shaft to revolve, thus the cream will be churned quickly. Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Rotary Engines.

Improvement in Rotary Engines.

Date: February 5, 1878
Creator: Evens, George
Description: Patent for Improvement in Rotary Engines concerning "the arms of the frame" (lines 9), which are powered by steam and "steam valves with arms" (line 17) including a detailed explanation and description of the illustration.
Contributing Partner: UNT Libraries Government Documents Department
Pump.

Pump.

Date: December 15, 1896
Creator: Clarkson, William
Description: Patent for a pump "whereby the pressure exerted upon the liquid in the pressure-pipe is alternately high and low, the high pressure being utilized to elevate the pump-rod, giving a rapid upstroke, and the low pressure to lower said rod gradually and insure a return flow of the liquid in the pressure-pipe." (Lines 26-33) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Paper-Perforating Device.

Paper-Perforating Device.

Date: September 15, 1890
Creator: Wells, William F.
Description: Patent for "a combined gripper-bar and perforator for use on printing-presses." (Lines 8-9) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Swinging Chair.

Swinging Chair.

Date: September 3, 1891
Creator: Eller, Julius M.
Description: Patent for improvements in swinging chairs for children, "which will render the chair automatic in operation or require but little exertion from the child occupying it, there being little or no danger of the child falling out while the chair is swinging," (lines 14-18) including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Hydraulic Pump

Hydraulic Pump

Date: December 15, 1896
Creator: Clarkson, William
Description: Patent for a hydraulic pump with "means for automatically supplying water to the pressure-pipe while the pump is working to replenish waste or leakage." (Lines 18-20) Includes instructions or illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Thread-Cabinet.

Thread-Cabinet.

Date: January 12, 1897
Creator: Armstrong, John, S.
Description: Patent "...relates to cabinets for spooladapted to contain spools of thread of different sizes and from which the spools may be easily extracted one at a time" (lines 7-11) including illustrations and descriptions.
Contributing Partner: UNT Libraries Government Documents Department
Rail Bond For Electric Railroads

Rail Bond For Electric Railroads

Date: August 17, 1897
Creator: Hunter, Victor Emmet
Description: Patent for improvement to rail-bonds for electrical railroads to aid in maintaining electrical contact, which will then reduce the loosening of parts which results in broken contact. Illustrations and instructions are included.
Contributing Partner: UNT Libraries Government Documents Department
Shoe for Bridges.

Shoe for Bridges.

Date: April 10, 1894
Creator: Seaman, George S.
Description: Patent for a new and improved bridge shoe including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
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