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Wire-Stretcher.

Description: Patent for improvements in wire-stretchers by using a combination of winding-drum, a ratchet upon the drum and wire clutches for engagement with a wire to be stretched. Illustration is included.
Date: April 1, 1902
Creator: Walls, Joseph A. & Boyter, Robert L.
Partner: UNT Libraries Government Documents Department

Wire Stretcher and Splicer.

Description: Patent for a simple and inexpensive wire stretcher and splicer that can easily connect to a post and use it as an anchor while stretching wire. The invention also draws wires together and re-connects them. A crank makes the device easy to use.
Date: September 4, 1894
Creator: Marshall, Otto
Partner: UNT Libraries Government Documents Department

Lemon Squeezer

Description: Patent for a lemon squeezing mechanism, designed to be more convenient for convenience store clerks.
Date: July 13, 1914
Creator: Cooper, James A. & Cooper, Joel C.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for a simple and durable lifting jack for wagons that is easily operated and does not move the hoisting lever in the post.
Date: December 5, 1893
Creator: Ball, Charles W.
Partner: UNT Libraries Government Documents Department

Valve-Gear for Engines.

Description: Patent for "a new and useful improvement in Steam-Engine Valve-Gears." The invention consists in "combining with a crank-shaft and a valve-shaft a lever, shaft, and two friction-wheels" (lines 4-9)
Date: July 6, 1880
Creator: Josserand, Peter
Partner: UNT Libraries Government Documents Department

Lever-Latch.

Description: Patent for a lever latch that features improved locking mechanisms for hand levers, including illustrations.
Date: June 15, 1915
Creator: Smith, Asa E.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for a strong, simple, and easily-operable lifting-jack meant for use in railroad car-axle boxes. It is a lifting bar with ratchet teeth, a lever that pivots against the lifting bar, a mechanism that holds and releases the bar, a pawl, and a double-arm spring connected to the pawl.
Date: August 13, 1895
Creator: Hough, William S.
Partner: UNT Libraries Government Documents Department

Trunk.

Description: Patent for a trunk that is usual except for its multiple trays, "a series of levers connecting the trays, and a second series of levers connecting the first-mentioned series of levers with the trunk-lid" (lines 56-59). The levers raise the trays and move them outward, and they can lock in place.
Date: May 12, 1896
Creator: Giraud, Paul
Partner: UNT Libraries Government Documents Department

Lever-Operated Cutting Mechanism

Description: Patent for lever-operated cutting mechanism, that used leavers to provide a cutting surface that is both adjustable and can be reversibly held, including illustrations.
Date: August 21, 1900
Creator: Orr, William Oliver
Partner: UNT Libraries Government Documents Department

Lever.

Description: Patent for a lever that attaches to moveable cultivator gangs.
Date: August 6, 1907
Creator: Gillentine, William A.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for an improved lifting jack, which "can be quickly placed beneath the axle of a vehicle and easily removed therefrom" (lines 14-16).
Date: September 1, 1903
Creator: Adair, Benjamin Lockett
Partner: UNT Libraries Government Documents Department

Improvement in Lever-Powers.

Description: Patent for a lever-power which applies "the power and resistance to the lever, so that they will change positions with relation to the fulcrum as the power end of the lever descends" (para. 2). The relation of the lever with the fulcrum is flexible, and allows for increased leverage.
Date: September 23, 1879
Creator: Franklin, Mathew Calhoun
Partner: UNT Libraries Government Documents Department

Improvement in Piano-Forte Actions.

Description: Patent for a new piano forte design which "consists in certain novel details of construction, arrangement, and combination of the key-lever and its fulcrum and rest, a receiving-lever, a transmitting-eccentric, a secondary hammer, a principal hammer and its rest, and a damper-action and its connections, whereby greater simplicity and efficiency are obtained" (lines 10-17) including illustrations.
Date: May 27, 1879
Creator: Roedern, George O. V.
Partner: UNT Libraries Government Documents Department

Track Switch

Description: Patent for "new and useful Improvements in Track-Switches" (lines 5-6) including illustrations.
Date: February 15, 1916
Creator: South, John T.
Partner: UNT Libraries Government Documents Department

Automobile-Jack.

Description: Patent for an automobile jack design adapted for use in garages and by those who need to do work underneath an automobile. Illustration included.
Date: August 29, 1912
Creator: Bouldin, W. Claughton
Partner: UNT Libraries Government Documents Department

Improvement in Seeding-Machines.

Description: Patent for the improvement of the seeding-machine by having a lever that allows the driver to operate the hopper-box, harrow, and smoothing-roller at any time, including illustration.
Date: June 14, 1859
Creator: Veal, Franklin
Partner: UNT Libraries Government Documents Department

Motor.

Description: Patent for a churn-motor that provides "an improved churn-operating mechanism which shall be cheap and simple in its construction, easy to operate, and readily adjustable for all the purposes for which occasion may require" (lines 15-20).
Date: March 28, 1893
Creator: McAfee, Henry P.
Partner: UNT Libraries Government Documents Department

Railroad-Track Lifter.

Description: Patent for improvement in railroad-track lifters by using “the combination of a base, a upright, a lever and two pawls engaging notches of the upright” (lines 97-99) and “hand mechanism for operating the pawls,” (lines 1-2, p. 2) for easily raising sections of railway-track. Illustration is included.
Date: March 31, 1891
Creator: Brown, Hiram David
Partner: UNT Libraries Government Documents Department

Baling Press

Description: Patent for a baling press. This invention provides a lever and connection to move the plunger to the sliding fulcrum. Illustration included.
Date: October 2, 1906
Creator: Woodward, Lemuel A.
Partner: UNT Libraries Government Documents Department

Sash-Holder.

Description: Patent for "new and useful Improvements in Sash-Holders" (lines 5-6). "My invention relates to sash holders... and the object of my invention is to so change the construction of said patented sash holder as to simplify, cheapen and otherwise improve the same" (lines 13-19).
Date: December 7, 1915
Creator: Hart, Joel T.
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings.

Description: Patent for an "improvement in car-couplings; and it consists in the arrangement and combination of devices whereby the pin is supported in a raised condition; also in a spring-slide for holding up the link ready for coupling with another car." (lines 13-18)
Date: July 2, 1878
Creator: Gassaway, John H.
Partner: UNT Libraries Government Documents Department

Cutting Implement.

Description: Patent for improvements in cutting tools especially adapted for severing bale-ties, cutting wire and pruning trees. This cutting implement has a laterally-extending handle and a detachable cutting blade. Illustration is included.
Date: July 2, 1901
Creator: Lott, William E.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for improvements in car-couplings by enhancing a device called pin-lifter to couple and uncouple rail cars. Illustration is included.
Date: September 8, 1891
Creator: Weathersby, Sarah Ann
Partner: UNT Libraries Government Documents Department
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