11 Matching Results

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Method of Treating Ores.

Description: Patent for "new and useful Improvements in methods of Treating Ores, of which the following is a specification. The present invention relates to a method of treating ores carrying gold and silver values in any form amenable to cyanid treatment or flotation" (lines 6-12).
Date: May 8, 1917
Creator: Friberger, Harry Louis
Partner: UNT Libraries Government Documents Department

Manufacture of Vinegar.

Description: Patent for the specifications for manufacturing a certain vinegar using melons.
Date: February 8, 1916
Creator: Page, James Benton
Partner: UNT Libraries Government Documents Department

Switch-Stand.

Description: Patent for switch stands improvement with the inclusion of a signal to notify the user when the switch operating mechanism is on (danger) or off (safety).
Date: December 8, 1914
Creator: Philips, Smith F.
Partner: UNT Libraries Government Documents Department

Packing-Box.

Description: Patent for packing-boxes to improve and simplify devices such as plunger pumps, piston rods, and valve stems.
Date: August 8, 1916
Creator: Snell, William T.
Partner: UNT Libraries Government Documents Department

Paper-Guide

Description: Patent for a paper guide for paper and carbon paper for typewriters.
Date: October 8, 1912
Creator: Davis, Alice Urilla
Partner: UNT Libraries Government Documents Department

Lacing-Eyelet.

Description: Patent for the improved construction and efficiency of a Lacing-Eyelet. The device is used for supporting lacing in fashion wear, including shoes and corsets. Improvements include providing quicker implementation of the device without risk of damaging the garment it is used on. Additional improvements include the device having uniform and interchangeable parts which can be manufactured in quantities so as to be easily replaced if necessary. Accompanied with illustrations.
Date: April 8, 1919
Creator: Langford, Joseph O.
Partner: UNT Libraries Government Documents Department

Lamp Attachment

Description: Patent for a new and improved Lamp Attachment which instantaneously extinguish lamp mechanically, without necessitating the employment a person's breath or the elevation of the lamps chimney.
Date: July 8, 1919
Creator: Rodriguez, Gavino
Partner: UNT Libraries Government Documents Department

Ore-Separating Apparatus.

Description: Patent for an apparatus that separates pulverized ore into its constituents while in a dry condition. Eliminating the previous need to use water when separating constituents.
Date: April 8, 1919
Creator: McElwain, George
Partner: UNT Libraries Government Documents Department

Railroad-Tie

Description: Patent for a railroad tie which is one piece and drains water away from the rails and holds the rails firmly in the rail-bed.
Date: February 8, 1910
Creator: Levinson, Herman Moses
Partner: UNT Libraries Government Documents Department

Pistol-holster

Description: Patent for a pistol holster that is "adapted particularly for use in a hip pocket." It is an improved version of the inventor's patent from 1908.
Date: December 8, 1914
Creator: Gaskill, Charles E.
Partner: UNT Libraries Government Documents Department

Belt Elevator and Conveyer.

Description: Patent for bucket conveyers to maximize the frictional engagement between the transverse curvature of the inner surface of the belt and the periphery of the pulley.
Date: August 8, 1916
Creator: Marston, Frederick
Partner: UNT Libraries Government Documents Department
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