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in place name: "United States - Texas - Harris County - Houston"  
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Wrench.

Description: Patent for a wrench with a head having a pair of rigid jaws to engage the object. One unique use of this wrench is that it can tighten any threaded joint beyond the degree of tightness that can be obtained by pulling the handle of an ordinary wrench in the usual manner.
Date: July 19, 1921
Creator: Duda, Oswald
Partner: UNT Libraries Government Documents Department

Liquid Coating Composition

Description: Patent for improved non-flammable paint and multi-purpose byproduct of paint production process.
Date: October 19, 1920
Creator: McKay, Arthur N. & Willis, William L.
Partner: UNT Libraries Government Documents Department

Wall Construction

Description: Patent for a relatively simple constructed wall that is built using concrete slabs. It is constructed in a manner that requires less material thus resulting in a wall that is hollow all the while providing sufficient strength to hold weight and pressure. Includes illustrations.
Date: April 19, 1921
Creator: Needham, Edward F.
Partner: UNT Libraries Government Documents Department

Liquid Dispensing Machinemm

Description: Patent for a machine can dispense potable liquids to several customers at the same time.
Date: October 19, 1920
Creator: Ogden, Clayton N.
Partner: UNT Libraries Government Documents Department

Well-Boring Apparatus

Description: Patent for "new and useful improvements in well boring apparatus. The object of the invention is to provide an apparatus of the character described embodying a rotary table and a novel means for connecting the same to the string of pipe, which extends down into the well and which is rotated by said table and in turn rotates the boring tool carried by the lower end of said spring of pipe" (lines 9-18) including instructions and illustrations.
Date: October 19, 1920
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Washing-Machine

Description: Patent for an improved clothes containing basket within washing machines that is longer-lasting and less likely to become imbalanced. The device increases agitation of clothes and water.
Date: April 19, 1921
Creator: Seifert, John W.
Partner: UNT Libraries Government Documents Department

Concrete Building Mold.

Description: Patent for Concrete Building Mold that is composed to be able to be detachable and reversible.
Date: April 19, 1921
Creator: Rossiter, Jay A
Partner: UNT Libraries Government Documents Department

Process of Distilling Hydrocarbons

Description: Patent for distilling hydrocarbons from crude petroleum oil.
Date: April 19, 1921
Creator: Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Grapple for Oil-Wells and the Like.

Description: Patent for an improved grapple device that can help recover rigging parts from oil wells, including illustrations.
Date: April 19, 1921
Creator: Reed, Clarence E.
Partner: UNT Libraries Government Documents Department

Reamer.

Description: Patent for rotary reamers for progressively enlarging holes in pilot drills, particularly roller disk type reamers used in oil, water, or mining applications.
Date: April 19, 1921
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department
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