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Bottle-Stopper.

Description: Patent for "a bottle-stopper which shall not require any wire, cap or clamp for holding it and which shall by reason of its form and of the materials of which it is composed afford a tight joint or seal under all circumstances." (Lines 13-17) Includes instructions and illustrations.
Date: February 11, 1896
Creator: Davis, Clifton H.
Partner: UNT Libraries Government Documents Department

Check-Punch.

Description: Patent for a simple, inexpensive, and compact check-punch that can be operated by one hand and doesn't take much power to operate. The machine consists of two movable members, "one of which carries all of the male and the other all of the female dies, said members being so related that when moved relatively to each other in one direction all the male dies move as a single member...and enter the female dies, and when moved in the opposite direction all of said male dies are withdrawn" (lines 12-… more
Date: March 17, 1896
Creator: Woodworth, Charles H.
Partner: UNT Libraries Government Documents Department

Plate Retaining Device

Description: Patent for a license plate holder for automobiles.
Date: April 13, 1915
Creator: Stafford, Frederick
Partner: UNT Libraries Government Documents Department

Broom or Brush

Description: Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S.
Partner: UNT Libraries Government Documents Department

Bucket Excavator.

Description: Patent for "new and useful Improvement in Bucket Excavators, of which the following is a specification. My invention relates to excavators of that kind in which a bucked is arranged to travel back and forth upon a runway which is lowered into the ground and which is adapted to determine the cross sectional outline of the ditch or excavation" (lines 5-13).
Date: November 30, 1915
Creator: Bettis, William I.
Partner: UNT Libraries Government Documents Department

Chemical Composition

Description: Benjamin R. Harris' legal patent from the United States Patent Office, on the chemical compositions he created which are products with hydrophyllic characters and explaining how he forms them.
Date: December 3, 1935
Creator: Harris, Benjamin R.
Partner: Moody Medical Library, UT

Activated-Sludge Treatment.

Description: Patent for a method that dehydrates sewage for easier removal.
Date: January 29, 1918
Creator: Moor, William C.
Partner: UNT Libraries Government Documents Department

COUPLING PATENT

Description: This patent is for a new coupling system to connect hollow pipes. It is specifically designed to address issues of vibration, which cause the coupling pin to become damaged.
Date: July 10, 1919
Creator: Hiegel, Joseph L.
Partner: UNT Libraries Government Documents Department

Boiler-Skimmer.

Description: Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.
Partner: UNT Libraries Government Documents Department

Covering for Meats.

Description: Patent for an aromatic asphaltum and paraffin wrap to preserve, protect from air and moisture, and transport meat that will not become brittle under cold temperatures.
Date: October 18, 1921
Creator: Pletcher, Lyle J.
Partner: UNT Libraries Government Documents Department

Writing-Machine.

Description: Patent for writing-machine mechanism which prolongs the life of the ribbon and provides "means to rotate the platen step by step at each actuation of one or more of the keys" (line 20).
Date: April 24, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
Partner: UNT Libraries Government Documents Department

Keyboard for Writing Machines.

Description: Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Date: April 17, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
Partner: UNT Libraries Government Documents Department

Moistening and Sprinkling Attachment for Brooms.

Description: Patent for attachment to brooms which enables the moistening of the broom during use to prevent the spreading of dust. One part regulates the flow of liquid to the broom and another provides a container for the liquid. In effect the attachment to the broom makes it into a convertible mop.
Date: May 23, 1905
Creator: Taylor, James P.
Partner: UNT Libraries Government Documents Department

Syringe

Description: Patent for a syringe. Illustrations included.
Date: December 15, 1908
Creator: Hill, Hiram McClung & Farrington, Charles Oliphint
Partner: UNT Libraries Government Documents Department

Trombone.

Description: Patent, including illustration, for "a musical instrument slide and is more particularly designated as a bearing or stocking for a trombone or other similar instruments in which it is desirable to provide a smooth bearing for the slidable part of the instrument" (page 1, lines 9-13).
Date: February 17, 1920
Creator: Ackley, William D.
Partner: UNT Libraries Government Documents Department

Oil Burner

Description: Patent for a oil burner. "This invention relates to improvements in that class of burners used for burning hydrocarbon oils or liquid fuel, and while it is more especially intended to be used for heating steam generators or boiler" (8-12) illustrations included.
Date: June 16, 1903
Creator: Wafer, William H.
Partner: UNT Libraries Government Documents Department

Electromagnetic Ore-Separator.

Description: Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date: February 16, 1909
Creator: Charlton, Thomas
Partner: UNT Libraries Government Documents Department

Electrical Battery

Description: Patent for an electrical battery. Illustration included.
Date: June 14, 1904
Creator: Haschke, Juluis E. & Haschke, Feodor G.
Partner: UNT Libraries Government Documents Department

Nozzle.

Description: Patent for a hose nozzle with increased capacity and efficiency. Includes instructions and illustrations.
Date: March 16, 1897
Creator: Adams, Don B.
Partner: UNT Libraries Government Documents Department

Headlight-Shade.

Description: Patent for a headlight shade which can be pulled down to block the high beam headlights of a train or car when there is an oncoming train or car.
Date: July 18, 1911
Creator: Green, John R.
Partner: UNT Libraries Government Documents Department

Journal-Bearing.

Description: Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Date: December 1, 1896
Creator: Woodworth, Charles H.
Partner: UNT Libraries Government Documents Department

Retort Vaporizer and Superheater

Description: Patent for improvements for vaporizers "of simple and highly efficient means for thoroughly and effectively superheating the vapor of water and oil" (lines 13-15).
Date: March 26, 1889
Creator: Biddison, Stella D.
Partner: UNT Libraries Government Documents Department

Nutcracker

Description: Patent for a nutcracker that can be used for a variety of types of nuts without crushing them.
Date: September 10, 1912
Creator: Moser, Frank W.
Partner: UNT Libraries Government Documents Department
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