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Tuning Device for Pianos.

Description: Patent for "a means whereby the strings of a piano may be easily and deliberately tuned, and when tuned they will be held absolutely rigid and unyielding under all circumstances while the pins are set in wood, thus avoiding any possibility of the jarring of the parts." (Lines 36-42) Includes instructions and illustrations.
Date: April 23, 1895
Creator: Orser, Levi
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Type-Writing Machine.

Description: Patent for improvements to the type writer "to provide a simple and effective mechanism for automatically operating the type-bars of such a machine under the control of the keys in such manner as to require but light action of said keys." (Lines 11-16) Includes instructions and illustrations.
Date: April 13, 1897
Creator: Templeton, Allison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trace Carrier.

Description: Patent for a new and improved trace-carrier. This design consists in "[a]n improved back-band buckle with hooks, consisting of a body portion formed of a single piece of wrought-wire, the meeting ends of each bent downward, upward, outward, and again downward to form chain-holding hooks or loops, and the tongues pivoted upon the said body portion" (lines 89-95).
Date: April 15, 1890
Creator: Brown, John Stoddart
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Gin.

Description: Patent for a saw-cleaning attachment for cotton gins. Includes instructions and illustrations.
Date: April 20, 1897
Creator: Griffin, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Processes of Reducing Asphaltum to a Liquid.

Description: Patent for a process to "reduce asphaltum to a liquid, and hold the same in a semi-fluid condition without heat, and which constitutes an entirely new article of commerce, and furnishes to the trade an article of asphaltum prepared and ready for use, without the labor, expense, and delay of melting, for paving and roofing purposes, and one most admirably adapted for use by manufacturers of varnish and japan." (Lines 8-16) Includes instructions and illustrations.
Date: April 20, 1875
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Type-Writing Machine.

Description: Patent for improvements to the type writer which allow for automatic, proper spacing between letters and words; will automatically return the carriage to the beginning of the page; and will automatically feed the inking ribbon so that the entire surface is used. Includes instructions and illustrations.
Date: April 13, 1897
Creator: Templeton, Allison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

CANNING SHRIMPS AND OTHER FISH.

Description: Patent for a method for "canning shrimps and/other like shellfish and has for its object the better preservation of the fish and greater expedition, and cheapness in canning" (lines 7-10)with illustrations and instructions.
Date: April 6, 1880
Creator: Pecor, Emmett C. & Bartlett, F. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Liquid or Gaseous Fuel Burner.

Description: Patent for a fuel burner with a simple design, which is readily taken apart or assembled, and is manufactured at a comparatively small cost.
Date: April 15, 1913
Creator: Vandaveer, Heber Clark & Stoy, Guy Everett
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for a fire-escape that uses ropes and pulleys held up by brackets and attached to a window. A receptacle is at the end of the rope and is designed to lower people from the building to the ground.
Date: April 18, 1893
Creator: Martin, Johan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Tightening Iron Bands on Bales.

Description: Patent for an apparatus that consists of "a series of metal bars to be inserted between what is known as the 'channel bars or teeth,' both on the upper and lower platens of a compress used for compressing cotton-bales, which bars thus inserted shall be so attached to the channel-bars that, by the force of springs, the said bars will be kept below the surface of the teeth on the platens, allowing ample space to insert the iron bands to be used in tying the bales, in the same manner as they are n… more
Date: April 3, 1877
Creator: Quin, Michael
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Back-Band Buckle.

Description: Patent for an improved back-band buckle and an improved hook that connects the buckle with the trace-chain. The lever-hook snaps "into position and is held secure in a pane substantially flush with the lower portion of the buckle-frame when the buckle is closed by the forcing down of the lever" (lines 15-19).
Date: April 20, 1897
Creator: Brown, John Staddart
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fire-Escape.

Description: Patent for a fire escape "with a cord or rope of suitable length which has at one end a weight to serve as a projectile to facilitate throwing the cord or rope to a person at any part of the burning building, after which the fire-escape or other device necessary for the purpose may be conveniently elevated to the window or other portion of the building where most needed for the rescue of person or property" (lines 14-22). It is adapted to assist firemen.
Date: April 18, 1893
Creator: Martin, Johan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring-Wheel

Description: Patent for a spring wheel designed to resist weight pressure. Illustrations included.
Date: April 11, 1911
Creator: Hayden, Walter
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shell.

Description: Patent for improvements to explosive projectile shells. Provides a shell adapted to contain gas and high explosives with constructed multi-layered shells with the intent to inflict as much damage as possible.
Date: April 29, 1919
Creator: Aoughsten, Richard G. & Aoughsten, Otto L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Press.

Description: Patent for "a compress having a continuous operation, whereby one bale of cotton is being formed by the compress all the time the same is working, and thereby rendering it unnecessary to completely stop the working of the entire press for every single bale made until the bale can be wrapped and discharged out of the press." (Lines 15-22) Includes instructions and illustrations.
Date: April 14, 1896
Creator: Griffin, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed-Planter.

Description: Patent for a seed planter with a combined "furrow opener and seed dropper" (lines 15-16) with adjustable row width and furrow depth. Includes illustrations and instructions.
Date: April 10, 1894
Creator: Thompson, James A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mergenthaler Linotype-Machine.

Description: Patent for an improvement "to the elevator-arm of the Mergenthaler linotype-machine, and its object is to prevent the rubbing of the matrices against the inner walls of the channel-plates when being raised therefrom." (Lines 9-13) Includes instructions and illustrations.
Date: April 7, 1896
Creator: Sundstrom, Herman Theodor
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Floor-Sweeping Compound

Description: Patent for an improved floor-sweeping compound which changes the traditional woody filler with a less flammable and more absorbent mineral wool filler.
Date: April 1, 1913
Creator: Boddeker, James A. & Stratford, John E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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