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Work Holder

Description: Patent for a work holder. The invention provides adjustable jaws to clamp the work in position. Illustrations included.
Date: August 16, 1904
Creator: Eichblatt, Otto H.
Partner: UNT Libraries Government Documents Department

Well-Drilling Bit.

Description: Patent for a well drilling bit with a removable point and cutting edges "at a greater radial distance from the center of the bit" (lines 18-19). The point may be removed for sharpening or replacement.
Date: August 16, 1921
Creator: Midgett, Penelton G.
Partner: UNT Libraries Government Documents Department

Weighing Machine

Description: Patent for a weighing machine. Illustration included.
Date: August 16, 1910
Creator: Allison, Joseph W.
Partner: UNT Libraries Government Documents Department

Improvement in Gun-Locks.

Description: Patent for "a novel application of hair-trigger catch to the main trigger, which operates together with a holder and separate springs." (Lines 30-33) Includes instructions and illustrations.
Date: August 16, 1870
Creator: Deutz, Joseph
Partner: UNT Libraries Government Documents Department

Improvement in Coffee-Mills.

Description: Patent for an improvement to upright coffee-mills, "whereby the bearings are always maintained in their true relative positions, while the strain on the two is made automatically counteracting, and each part of the shell firmly and effectually supported by the other." (Lines 10-14) Includes instructions and illustrations.
Date: August 16, 1870
Creator: Richer, Francois Charles
Partner: UNT Libraries Government Documents Department

Improvement in Cotton Choppers

Description: Patent for improvement in cotton choppers creating a more effective machine relating to the cultivating and chopping of cotton. Includes labeled figures and descriptive text
Date: August 16, 1873
Creator: Garrett, Joseph M.
Partner: UNT Libraries Government Documents Department

Stamp Affixer

Description: Patent for
Date: August 16, 1910
Creator: Harwell, Marvin E.
Partner: UNT Libraries Government Documents Department

Steam Engine Governor.

Description: Patent for a new and improved steam-engine governor. This design consists in "the combination, with the valve-stem and governor-balls, of a lever connected with the said valve-stem, a weighted lever connected with the said valve-stem lever, a piston-rod connected with the said weighted lever, a piston attached to the said piston-rod, and a small cylinder in which the said piston operates, and which is connected at one end with the interior of the steam-chest" (lines 93-102).
Date: August 16, 1887
Creator: Arnold, Eliphalet L.
Partner: UNT Libraries Government Documents Department

Projectile

Description: Patent for Projectile. "The present invention relates to projectiles and has particular reference to a shell which is adapted to be fired from a gun to penetrate the object aimed at and subsequently explode therein. An important object of the invention is to provide a projectile of the above mentioned character, so constructed so that the same will have a high armor penetrating efficiency and a very large explosive material carrying capacity, whereby the explosion of the shell subsequently to i… more
Date: August 16, 1912
Creator: Douglas, William M.
Partner: UNT Libraries Government Documents Department

Spirometer

Description: Patent for a spirometer. Illustartion included.
Date: August 16, 1904
Creator: Lyttleton, Henry Thomas
Partner: UNT Libraries Government Documents Department

Putty Trowel

Description: Patent for a putty trowel. Illustration included.
Date: August 16, 1910
Creator: Wright, Sam F.
Partner: UNT Libraries Government Documents Department

Planter Shoe

Description: Patent for a planter shoe. Illustration included.
Date: August 16, 1910
Creator: Pogue, Steward A.
Partner: UNT Libraries Government Documents Department

Improvement in Seed-Planters.

Description: Patent for a seed-planter using two vibratory vertical feed-wheels, similar in size to distribute different seeds at the same time, one is designed specifically for cotton seeds, illustration is included.
Date: August 16, 1859
Creator: Murphy, Willis G.
Partner: UNT Libraries Government Documents Department

Tire Tightener

Description: Patent for a tire tightener. Illustration included.
Date: August 16, 1904
Creator: Leveritt, Nicholas Tompkins & Cameron, James H.
Partner: UNT Libraries Government Documents Department

Railroad-Rail.

Description: Patent for a new and useful railroad rail, including instructions and illustrations.
Date: August 16, 1898
Creator: Hariman, George V.
Partner: UNT Libraries Government Documents Department

Game Apparatus.

Description: Patent for a certain new and useful improvement in game apparatus, including instructions and illustrations.
Date: August 16, 1898
Creator: Hutches, Benjamin F. Jr.
Partner: UNT Libraries Government Documents Department

Draw Bar for Locomotives.

Description: Patent for a new and improved draw-bar for locomotives. This design consists, "with the frame of the locomotive and pilot mounted thereon, of the draw-bar connected to the frame, devices for locking and holding the draw-bar on the pilot, and a counter-weight for automatically elevating the draw-bar when released" (lines 97-102).
Date: August 16, 1892
Creator: Heidelberg, Samuel H.
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a new and improved cultivator. This design "ha[s] for its object the provision of strong and reliable means whereby any desired number of plow-shovels may be used and the distance between the said plows regulated or adjusted at will by very simple means. A further object is to provide means to enable all the plows, excepting two, to be removed, to adapt the device to be used to lay off rows at a predetermined distance apart to prepare for sowing" (lines 9-19).
Date: August 16, 1887
Creator: Sutton, James Macaulay
Partner: UNT Libraries Government Documents Department

Cotton Gin Saw Cleaner

Description: Patent for a cotton gin saw cleaner. This invention is designed to clean cotton from gin saws. Illustration included.
Date: August 16, 1904
Creator: Clark, Joseph Y.
Partner: UNT Libraries Government Documents Department

Sash Balance

Description: Patent for a sash balance in a window frame.
Date: August 16, 1892
Creator: Cayce, Henry P.
Partner: UNT Libraries Government Documents Department

Seat Lock For Wagons

Description: Patent for a seat lock for wagons. Illustration included.
Date: August 16, 1904
Creator: Moore, Leon P.
Partner: UNT Libraries Government Documents Department

Improved Bedstead-Fastening

Description: Patent for improvements in the mode of fastening the rail to the post of bedsteads.
Date: August 16, 1870
Creator: Maulding, Pres.
Partner: UNT Libraries Government Documents Department

Doubletree Attachment

Description: Patent for a doubletree attachments. Illustration included.
Date: August 16, 1910
Creator: Ball, William Rossem
Partner: UNT Libraries Government Documents Department

Device for Controlling Runaway Horses.

Description: Patent for a new and improved device for controlling runaway horses. This design has for its object "to construct an apparatus whereby such a pressure may be applied by the rider or driver of the animal in connection with which the apparatus is employed, the invention consisting of pads that are supported by lever-arms pivotally connected to a bit, and of a means whereby said pads may be moved toward each other—that is, to a position so that they will bear upon the outer nostril-wall . . . [sin… more
Date: August 16, 1887
Creator: Grumbach, Isaïe
Partner: UNT Libraries Government Documents Department
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