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Cotton Chopper

Description: Patent for a cotton chopper. Illustration included.
Date: April 6, 1909
Creator: Abrams, Frederic

Flushing Apparatus.

Description: Patent for a flushing apparatus to be used to flush tanks that are normally kept empty. It is also "an improved siphon for emptying the tank, and also an improved mechanism for starting the siphon" (lines 22-24).
Date: April 3, 1894
Creator: Ackley, George D.

Improvement In Corn And Cotton-Seed Planters.

Description: This patent is an upgraded corn and seed planter machine that plants corn, cotton, and other types of seeds for mass production. The machine is aligned with the surface of the ground. It does not converse with the plows that are attached to it, freeing up the machine to release seeds proficiently with ease.
Date: April 9, 1878
Creator: Adams, Benjamin F.

Reproducing Device for Graphophones.

Description: Patent for a reproducing device for graphophones improving the objects that transmit sound to the horn or like element and provide a new means to mount the tone arm. It further improves the means for mounting the needle on the device.
Date: April 22, 1919
Creator: Adams, Henry Rolland

Tile-Machine.

Description: Patent for a tile pipe molder that "expeditiously and cheaply make subirrigating pipe right at the side of the ditch where it is to be laid" (lines 10-13).
Date: April 3, 1894
Creator: Adamson, John

Seed-Planter Attachment.

Description: Patent for "seed-planter attachments; and it has for its object to provide a new and useful machine of this character adapted to simultaneously plant two rows of corn, cotton, or other seed at any desired distance apart and to also provide means for marking the third row at any width from the planter." (Lines 8-15) Includes instructions and illustrations.
Date: April 14, 1896
Creator: Adkins, Stephen J.

Cotton-Picker.

Description: Patent for a skeleton glove for picking cotton that protects the fingers from chafing from the plant through the use of metal or leather thimbles on the end of each finger of the glove.
Date: April 2, 1907
Creator: Adkins, Willis

Car Door Fastening.

Description: Patent for a new and improved car-door fastening. This design "consists in a novel construction and arrangement of a staple, a hook-hasp, key, and a key-plate, whereby several advantages are obtained . . . for securing the sliding doors of box-cars and other railway-cars" (lines 8-14).
Date: April 19, 1881
Creator: Alexander, Francis Marion

Vehicle-Wheel

Description: Patent for new and useful improvements to the Vehicle-Wheel. Tire may be formed into a disk wheel constructed with nuts, bolts, rivets, and screws to compensate for any regular and irregular pressure stresses a tire may be subjected to on a road. A further improvement is to provide a more resilient disk wheel to have more durability and longer use on the road.
Date: April 12, 1921
Creator: Allan, William N.

Automatic Sand Trap

Description: Patent for an automatic sand trap related to automatic devices for separating suspensions into two products and is concerned with the separation of sand from water for dam building and like purposes.
Date: April 12, 1921
Creator: Allen, Charles

Automatic Separator and Evaporator.

Description: Patent for an improved automatic separator and evaporator which controls the intake with an included air-lift or jet-ejector, including illustrations.
Date: April 5, 1921
Creator: Allen, Charles

Feed Spout Barrier

Description: Patent for "a feel spout barrier for slime thickeners, settling tanks, separating tanks and the like" (lines 8-10) with instructions and illustrations.
Date: April 12, 1921
Creator: Allen, Charles

Slime-Pulp Thickener.

Description: Patent for a machine used in the wet milling process. It allows proportionate distribution of liquids to aide during the thickening process.
Date: April 17, 1923
Creator: Allen, Charles

Car-Coupling.

Description: Patent for "pin-and-link car-couplings to enable the same to couple automatically and to be readily uncoupled without going between cars, and to provide means for holding the link in substantially a horizontal position for guiding it into the mouth of a draw-head to avoid going between cars and guiding the link by hand." (Lines 12-19) Includes instructions and illustrations.
Date: April 13, 1897
Creator: Allen, George F.; Allen, Charles D. & Martin, Richard W.

Device for Slicing Fish.

Description: Patent for new and useful improvements to a device for slicing fish into smooth and even slices, including illustrations.
Date: April 24, 1917
Creator: Allen, James Leonard

Necktie

Description: Patent for a pre-made necktie. This is a pre-made four in hand necktie that is designed to be adjustable to various neck sizes and made to not tear a shirt collar.
Date: April 27, 1915
Creator: Allen, Joseph H.

Metallic Railway-Tie.

Description: Patent for a metallic railway tie, which can expand and hold the track in place.
Date: April 5, 1910
Creator: Allsbrooks, William Jefferson

Window Light Regulator

Description: Patent for a window light regulator. The light regulator is designed of two shades. The first shape is dark and the other is transparent. Illustration included.
Date: April 16, 1907
Creator: Alrich, Henry

Tractor

Description: Patent for "novel features of construction and combinations of parts" in tractors to ensure a steady, even pace of travel and allow for traversing uneven landscape while maintaining a level setting, including illustrations and instructions.
Date: April 23, 1918
Creator: Altgelt, Herman E.

Wire-Fence-Stay Machine.

Description: Patent for wire working machines, specifically for automatically making wire fence stays. This machine can be operated manually and it is portable.
Date: April 30, 1918
Creator: Alverson, Lewis

Silo

Description: Patent for a silo composed of sections that can be arranged to modify the capacity as needed, including illustrations.
Date: April 21, 1914
Creator: Ames, James W.

Improvement in Ant Traps

Description: Patent for the improvement of Ant traps, including to illustrated and labeled figures.
Date: April 1, 1873
Creator: Ames, Theodore G.
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