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Lens-Grinding Machine.

Description: Patent for a lens grinding machine that polishes any kind of lens via the means of a reciprocating motion in both the grinding tool and the lens holder.
Date: August 12, 1913
Creator: Rousseau, Almer A.
Partner: UNT Libraries Government Documents Department

Improvement to Lifting-Jacks

Description: Patent for the improvement of the lifting jack which allows the user to "lower the lifting bar by a step-by-step movement as well as to elevate the lifting bar by such a movement (lines 12-14). Includes instructions and illustration."
Date: January 12, 1915
Creator: Parker, Charles W. & Wittliff, Theodore H.
Partner: UNT Libraries Government Documents Department

Internal Combusion System

Description: Patent for new and useful Internal-Combustion Engine. Improves the provision of an engine which the cylinder is provided with a semi-spherical upper end, fr the rotatable reception of similar shaped power cylinder carrying shell. Specification of letter patent with illustration. Serial number 789.146
Date: May 12, 1914
Creator: Clough, George G.
Partner: UNT Libraries Government Documents Department

Windmill

Description: Patent for a windmill. This windmill is designed for turning movement into a reciprocating movement. Illustrations included.
Date: July 12, 1904
Creator: Hughes, James F.
Partner: UNT Libraries Government Documents Department

Windmill

Description: Patent for windmill "utilizing a horizontally movable wheel" (line 10) that keeps a steady rotation and will have a wing tripping element that can either lock the wings or shift wings at proper time, including instructions and illustrations.
Date: March 12, 1912
Creator: Lindsey, James Owen
Partner: UNT Libraries Government Documents Department

Wave-Motor.

Description: Patent for a simple and effective apparatus that utilizes wave power. It consists of a frame with a casing on the top that extends from the normal trough to crest lines of waves, a float, a pump with the center below the float, a discharge pipe connected to the pump, anchors and braces for the pump, a joint that connects the pump with a pile, guide rolls, and inlets and outlets on opposite sides of the pump.
Date: December 12, 1893
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Water Wheel

Description: Patent for an "iron water-wheel made in sections, which may be readily taken apart for convenience and transportation" (Lines 10-12).
Date: May 12, 1885
Creator: Dunn, William Washington
Partner: UNT Libraries Government Documents Department

Machine for Distributing Poison or Plants

Description: Patent for a simple and efficient machine "for distributing or dusting poisonous powders onto growing plants to rid them of destructive insects" (lines 9-12).
Date: February 12, 1889
Creator: Brown, George R. & Brown, John W.
Partner: UNT Libraries Government Documents Department

Wind-Wheel

Description: Patent for a new and novel design for a wind wheel.
Date: August 12, 1890
Creator: Gatlin, Lilburn M.
Partner: UNT Libraries Government Documents Department

Trunk-Strap Fastener.

Description: Patent for an inexpensive and simple trunk strap fastener meant to "insure a strong tightening of the same without resorting to the old laborious method of buckling the strap about the baggage, while at the same time the invention also contemplates the employment of a specific arrangement of the strap about the article being bound therewith, in combination with the fastener proper whereby a stronger and more efficient strapping is effected" (lines 16-25).
Date: June 12, 1894
Creator: Webb, William James
Partner: UNT Libraries Government Documents Department

Lock-Hinge.

Description: Patent for a combined lock and door hinge for a door where it "is automatically locked or held in a set position without special adjustment or manipulation, and by which, by the adjustment of a member provided for that purpose, the door may be locked permanently in any desired position" (lines 12-17). It is especially meant for screen doors, coach doors in railway cars, shutters, &c.
Date: June 12, 1894
Creator: Bessonette, William T.
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a vehicle wheel meant for children's carriages that has double fellies, spokes, and a hub that has "an interposed band connecting said fellies at suitable intervals and adapted for the attachment to the spokes" (lines 69-71).
Date: February 12, 1895
Creator: Laube, Godfried
Partner: UNT Libraries Government Documents Department

Lantern.

Description: Patent for a simple and inexpensive oil lantern made to operate in strong winds. It is "easily handled and manipulated for adjusting and fastening the several parts thereof properly in position" (lines 17-19).
Date: November 12, 1895
Creator: Holden, William G.
Partner: UNT Libraries Government Documents Department

Lifting-Jack.

Description: Patent for "an improved lifting-jack designed expressly for track-levelers, although the construction may be varied for other purposes." (Lines 9-12) Includes instructions and illustrations.
Date: May 12, 1896
Creator: Arnold, Raiford A.
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

Trussed Axle for Wheeled Vehicles.

Description: Patent for improvements in trussed axle for wheeled vehicles: "The invention relates to that class or type of axles for wheeled vehicles wherein a metal truss rod or bar running longitudinally under the axle body has its end portions extended through the axle skeins and secured by screw nuts which abut the outer ends of the skeins." (lines 9-14).
Date: October 12, 1897
Creator: Brown, John Stoddart
Partner: UNT Libraries Government Documents Department

Two-Stage Pump

Description: Patent for a two stage pump. Illustrations included.
Date: July 12, 1910
Creator: Gray, William T.
Partner: UNT Libraries Government Documents Department

Letter-Tying Device

Description: Patent for a package tie. Illustrations included.
Date: January 12, 1909
Creator: Greenwood, Bluford P.
Partner: UNT Libraries Government Documents Department

Ironing Board

Description: Patent for an ironing board. Illustration included.
Date: March 12, 1907
Creator: Riedel, Edward C.
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock. This invention is a design of door lock that uses a key and combination. Illustration included.
Date: February 12, 1907
Creator: Katzenberger, Oscar
Partner: UNT Libraries Government Documents Department

Kettle.

Description: Patent for an improved kettle that can be used for both ordinary kettle purposes and for the purpose of keeping coffee, eggs, or other foods warm.
Date: February 12, 1907
Creator: Redwood, Archibald G.
Partner: UNT Libraries Government Documents Department

Improvements in Target-Controlled Roundabouts

Description: Patent for a target-controlled roundabout comprised of a "revoluble member arranged to be operated by a plunger" (lines 11-12).
Date: March 12, 1912
Creator: Lero, Joe
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for a vehicle wheel with spring spokes that will not easily break on rough roads.
Date: November 12, 1912
Creator: Hayden, Jefferson B.
Partner: UNT Libraries Government Documents Department

Valve

Description: Patent for an automatic valve for use upon hydraulic or suction dredges to prevent sore material such as clay, sand and mud from preventing the efficient use of the dredge sure to the closing of heavy material in the mouth of the dredge. The valve is intended to supply water to flush out the mouth of the dredge.
Date: June 12, 1917
Creator: Miller, Henry L.
Partner: UNT Libraries Government Documents Department
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