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Silo.

Description: Patent for a reinforced concrete silo, including specifications and illustrations.
Date: May 29, 1917
Creator: Abbett, Edgar J.

Pipe-Wrench.

Description: Patent for a new invention of pipe-wrench, how it is made and how it is used.
Date: May 23, 1916
Creator: Adams, Benjamin F.

Pipe-Wrench.

Description: Patent for an economical pipe wrench that is easily adjustable using a pivoting, movable jaw to fit pipes of varying sizes.
Date: May 5, 1914
Creator: Adams, Benjamin F.

Electric Signal System

Description: Patent for electric signal system. Illustration included.
Date: May 16, 1905
Creator: Adams, Edwin Johnson

Electric Motor.

Description: Patent for an electric motor that operates "with equal efficiency on either direct or alternating current" (lines 10-11).
Date: May 4, 1915
Creator: Adams, Homer E.

Steam, Air, or Water Engine.

Description: Patent for simplifying the construction of steam-engines allowing them efficiently use the power of steam" gas, vapor or air in varying positions, vertical, horizontal, or inclined.
Date: May 9, 1882
Creator: Adams, James A.

Envelop Fastener

Description: Patent for an envelop fastener. Illustration included.
Date: May 2, 1905
Creator: Albea, Mary

Design for a Knife

Description: Patent for a design for a knife that has a curved terminal that forms a shield.
Date: May 11, 1897
Creator: Albert, Alfred K.

Telephone-Transmitter.

Description: Patent for a granulated-electrode phone transmitter that is designed to be simple and "constructed so that the granulated-electrode cannot become displaced from the cell" (lines 10-12).
Date: May 11, 1897
Creator: Alexander, Horace C.

Vehicle-Wheel

Description: Patent for improvements in tires, specifically a system that assists with weight distribution and adjustments to road surface conditions.
Date: May 18, 1920
Creator: Allan, William N.

Setting-Basin Separating Device

Description: Patent for Settling Basin-Separating Devices. This device improves the issue of unwanted discharge shown in prior devices
Date: May 11, 1990
Creator: Allen, Charles

Can-Opener.

Description: Patent for a can opener, which has a movable blade to allow for easy cleaning.
Date: May 31, 1910
Creator: Allen, Jasper McDonnel

Collar Attachment

Description: Patent for a collar attachment to be used with fold down collars to provide a means to hold the collar closed, with illustrations.
Date: May 1, 1917
Creator: Allen, Joseph H.

Buckle

Description: Patent for a buckle. Illustration included.
Date: May 11, 1909
Creator: Allen, Orcenith F.

Vehicle-Wheel

Description: Patent for a Vehicle-Wheel. This patent is an improvement over the other patents that this inventor submitted before. It will improve and strengthen the wheel by replacing rivets and bots, and instead use clips and springs.
Date: May 18, 1920
Creator: Allen, William N.

Clothes-Pounder.

Description: Patent for improvements in atmospheric clothes pounders: "Dividing the outer section into compartments so that air in escaping is distributed evenly from all sides of the pounder instead of escaping in a body from one side, whenever the pounder strikes a wad or knot of cloths and is tipped sidewise; it also makes the suction better" (lines 49-55).
Date: May 2, 1893
Creator: Allgaier, George E.

Fiber Separating Machine

Description: Patent for machines for separating the textile fiber of various plants, and has for its objects generally to simplify such machines, perfect their product, and avoid waste (lines 11-15) with illustrations.
Date: May 13, 1902
Creator: Allision, Samuel Benjamin & Dorrestein, C. A.

Measuring and Drawing Tool.

Description: Patent for an improved, simple, and durable measuring and drawing tool that is easily adjusted and used to find bevels, pitches, degrees, and lengths in framing roofs. It has other purposes as well. "The invention consists of a plate in the shape of an eighth of an octagon having four sides, and a straight edge pivoted on the side plate and indicating thereon" (lines 14-17).
Date: May 2, 1893
Creator: Allred, Lemuel O.

Wheel-Operated Lift Mechanism

Description: Patent for a wheel operated lift mechanism designed for agricultural implements with wheels which can raise the frame of the agricultural implement for easy access to the wheel. This tool is adjustable to raise or lower the frame for easy access to the wheel to disconnect it.
Date: May 17, 1921
Creator: Altgelt, Herman E.

Tank for Oil Burners

Description: Patent fora tank for oil burners. This invention is designed to supply burners with crude oil. Illustration included.
Date: May 9, 1911
Creator: Alverson, Lewis

Bale-Tie

Description: Patent for a tie for bales of cotton, hay, etc. Illustrations included.
Date: May 26, 1908
Creator: Alverson, Lewis & Horsley, Robert L.

Nut and Bolt Lock

Description: Patent for a new nut and bolt lock design that is reliable and can lock permanently if needed, including illustrations.
Date: May 19, 1914
Creator: Ames, Ernest R.

Peanut Digger.

Description: Patent for new and useful improvements to a machine for harvesting or digging peanuts, including instructions and illustrations.
Date: May 15, 1917
Creator: Amos, Thomas E. & Abernathy, George J.
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