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Snap-Hook

Description: Patent for a snap hook in order to "provide a hook of simple construction that shall be securely locked when in use" (p. 2)
Date: December 30, 1890
Creator: Adams, Don B.
Item Type: Refine your search to only Patent

Electric Signal System for Electric Cars

Description: Patent for signal systems for electric railways where wires arranged in connection with the signal lamps at the ends of the blocks and on the cars will be lit to signal caution. There will also be a signal within the car if another moving car in the opposite direction enters the same block.
Date: December 26, 1905
Creator: Adams, Edwin J.
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Threading Apparatus For Pipes.

Description: Patent for improvements of the threading apparatus for pipes through a simple attachment to automobiles wheels. Illustrated figures with descriptions are presented to easily show the ways in which the device attaches and is used.
Date: December 28, 1920
Creator: Adkins, Otto O.
Item Type: Refine your search to only Patent

Screen-Hanger.

Description: Patent for more accessible window screen hangers. The inventors claimed that these improved screen hangers eliminated the challenge of hanging window screens on the exterior of tall buildings. These screen hangers allowed customers to hang, adjust, and clean screens from the inside of buildings.
Date: December 9, 1919
Creator: Agee, Howard L. & Agee, Sidney A.
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World-Chronometer

Description: Patent for a globe set on top of a pedestal, where the globes rotates by clock work to instruct the user of the time for any given place on the globe. Sides of the pedestal also allow for advertising.
Date: December 29, 1914
Creator: Agnew, Walter F.
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Machine for Cutting Stick-Candy.

Description: Patent for a simple and durable machine for cutting stick-candy that is "capable of traveling over a table or other support upon which stick candy in given lengths may be laid, and to so travel over the table that the lengthy sticks of candy will be made to slide over the bed of the machine, under a knife or its equivalent; and a further object of the invention is to provide a means whereby the knife may be manipulated at predetermined points in the travel of the machine to cut the lengthy stic… more
Date: December 18, 1894
Creator: Allardyce, John M.
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Water Heater

Description: Patent for a water heater. This invention relies on the heat of a smokestack of the oven to heat the water. Illustrations included.
Date: December 1, 1903
Creator: Allen, William Bell
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Tape-Measure.

Description: Patent for a tape measure with a claw on one end that the user can affix to a surface to hold one end of the measuring tape and aid in the measuring process.
Date: December 4, 1917
Creator: Anderson, Andrew E.
Item Type: Refine your search to only Patent

Field Thrashing-Machine.

Description: Patent for a field thrashing-machine that can be carried into a field and harvests the tops of standing grain as it is carried forward. The machine also thrashes the grain, separates the grain from the chaff, and delivers the grain in a receptacle.
Date: December 18, 1894
Creator: Anderson, Axel
Item Type: Refine your search to only Patent

Mattress

Description: Patent for a mattress. This invention relates more particularly to the pattern of the blank from which the casing is made to provide a simple and durable structure and may be rolled or folded when not in use.
Date: December 19, 1916
Creator: Anderson, Forest H. & McClinton, Elmore
Item Type: Refine your search to only Patent
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