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Combined Ruler and Blotter

Description: Patent for a combined ruler and blotter (used for writing with ink). Proposed improvement of basic design by being more compact, cheaper to make, and includes a way to tear paper along the ruler's edge.
Date: July 28, 1914
Creator: Schmidt, Edward
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clevis

Description: Patent for "improvements in clevises or draw-bars for plows and other similar implements" (Lines 8 – 10) including illustrations.
Date: August 28, 1900
Creator: Hendon, Walter Preston
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Band Cutter and Feeder.

Description: Patent for an improvement of band-cutters, involving cutting bands and spreading grain in regulated quantities and intervals. Includes illustration.
Date: October 28, 1890
Creator: Izard, William H.
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Partner: UNT Libraries Government Documents Department

Clevis.

Description: Patent for improvements in clevises in which a clevis can be used upon plows or harrows. When it is used, it “will obviate the necessity of using links or open rings in connection with the clevis and the singletree, as well as enable the plowman to cause his plow to run in the soil any desired depth or to cut a narrow or wide furrow.” (Lines 16-20) Illustration is included.
Date: July 28, 1891
Creator: Bruton, Alonzo D.
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Partner: UNT Libraries Government Documents Department

Combination Heel-Sweep Plow.

Description: Patent for an improved plow that can have "either first a whole heel sweep, or a right or left half heel sweep, second a whole solid sweep, or a right or left half solid sweep, third a right and left turn plow, or a right or left half turn plow" (lines 15-19).
Date: February 28, 1893
Creator: Dean, John Rowe
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Partner: UNT Libraries Government Documents Department

Alarm Device

Description: Patent for an alarm device that is mounted on a house to warn of approaching wind storms.
Date: March 28, 1911
Creator: Stamps, William P. & Phillips, William R.
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Partner: UNT Libraries Government Documents Department

Amusement Device

Description: Patent for an amusement device. This invention uses a ballast and simulates the appearance and motion of a floating ship under way. Illustrations included.
Date: March 28, 1911
Creator: Corneliussen, Ivar
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bed

Description: Patent for a single bed that can be converted into a double bed. Illustrations included.
Date: February 28, 1911
Creator: Lockhart, Samuel R.
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Partner: UNT Libraries Government Documents Department

Compound Valve

Description: Patent for an invention with improvements of devices that employed for controlling the flow of liquid under high pressure which simplify and improve the construction.
Date: October 28, 1918
Creator: Cherry, Joseph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Band-Saw

Description: Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).
Date: September 28, 1920
Creator: McCormick, Merton H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Air Pump

Description: Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date: October 28, 1919
Creator: Keating, Paul W.
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Partner: UNT Libraries Government Documents Department

Article Holder or Stand.

Description: Patent for a device that conveniently and readily supports books, photographs, picture cards, and other similar articles. The new design is formed from a single strand of wire, and is specifically adapted for holding books in an open position and allowing the pages to be turned as needed.
Date: February 28, 1922
Creator: Boyette, Oren K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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