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Rotary Boring-Drill.

Description: Patent for improvements in rotary boring drills. The invention provides a fluted drill collar for a drill bit designed to "break up the rock and other material tending to wedge in around the upper part of the head" (lines 19-21). The drill collar forms "a connection between the main rotary drill shaft and the drill bit" (lines 13-15).
Date: January 28, 1919
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Scraper.

Description: Patent for a scraper with interchangeable blades, which can be used "for glue joints, and... scraping molded surfaces" (lines 25-26) that includes instructions and illustrations.
Date: January 28, 1919
Creator: Hartmann, John H.
Partner: UNT Libraries Government Documents Department

Swing Crib.

Description: Patent for a new bed can use in both a swinging crib or a swinging seat which is designed for young kids.
Date: March 28, 1916
Creator: Bobbitt, Frederick W.
Partner: UNT Libraries Government Documents Department

Roller-Drill

Description: Patent for a roller drill that has a roller spindle which is detachable.
Date: November 28, 1911
Creator: Hughes, Howard Robard
Partner: UNT Libraries Government Documents Department

Rotary Boring-Drill.

Description: Patent for a rotary boring-drill that can easily be assembled or disassembled without the aid of a special tool, is equipped with removable cutters, has clearance between the cutters to prevent material becoming packed around them, and is arranged to mix material disintegrated by the cutters into a mud.
Date: August 28, 1917
Creator: Hughes, Howard R.
Partner: UNT Libraries Government Documents Department

Baking-Pan

Description: Patent for a Baking Pan for bread and similar foods, noted for its unique construction, such "that the heat given off from the fuel burner will be confined so as to completely surround the pan, in which the articles to be cooked, are located" (lines 13-17).
Date: July 28, 1914
Creator: Boger, Daniel W.
Partner: UNT Libraries Government Documents Department

Bat-Former

Description: Patent for a cotton bat former for use in cotton gins.
Date: March 28, 1911
Creator: Ball, Samuel M.
Partner: UNT Libraries Government Documents Department

Attachment for Bath-Tubs.

Description: Patent for a removable and adjustable wash cloth attachment "in such a position within the tub that a person bathing may readily move the back and shoulders over the wash cloth or other cleaning element to effect a thorough cleansing thereof" (lines 14-18) including illustrations.
Date: December 28, 1915
Creator: Seib, Lee R.
Partner: UNT Libraries Government Documents Department

Apparatus For Treating Petroleum.

Description: Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Collapsible Box

Description: Patent for an improved pasteboard collapsible box for use by tailors, laundries, etc.
Date: December 28, 1915
Creator: Houghland, Frank H.
Partner: UNT Libraries Government Documents Department

Arc-Lamp

Description: Patent for an arc lamp which does not spark for use in headlights for trains and automobiles and in street lights.
Date: June 28, 1910
Creator: Anderson, Thomas J.
Partner: UNT Libraries Government Documents Department

Apparatus for Hoisting Liquids from Wells.

Description: Patent for an “apparatus for raising liquid from wells by means of a compressed fluid, such as air or other vapors or gas“ (lines 9-12). The apparatus leaves liquid from the well under normal pressure during hoisting or pumping, and allows for varying amounts of liquid to be extracted.
Date: October 28, 1913
Creator: McCall, Duncan D.
Partner: UNT Libraries Government Documents Department
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