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Plow.

Description: Patent for a plow that improves the type of plow employing "a moldboard and plowpoint or share bolted to a standard" (lines 9-11), with illustrations. This patent improves upon previous patents numbered 974,675 and 974,676 issued to the same inventor on November 1, 1910.
Date: January 6, 1920
Creator: Kelly, Robert Marvin
Item Type: Refine your search to only Patent

Vending-Machine.

Description: Patent for improvements in the construction of coin-operated vending machines which automatically lock when coins are not inserted. This device is designed to dispense objects of many shapes and sizes. Illustrations included.
Date: January 6, 1920
Creator: Ogden, Carlton N.
Item Type: Refine your search to only Patent

Carbureter

Description: Patent for the carbureter for controlling the quality of the combustible mixture for internal combustion engines, such as automobiles requiring a wide range of variation in the proportion of fuel and air to efficiently and economically supply the demand.
Date: January 13, 1920
Creator: Guthrie, William S.
Item Type: Refine your search to only Patent

Display and Vending Device.

Description: Patent for a new improvement to display and vending devices to display products for purchase without a clerk. The device is automated so that it delivers the product directly to the consumer without the need for the consumer to move or change positions. The device cuts costs due to the dismissal of clerks.
Date: January 13, 1920
Creator: Ogden, Carlton N.
Item Type: Refine your search to only Patent

Gin

Description: Patent for a gin that will strip fiber from the seed, "motes", and other "foreign bodies" (lines 27-28) without damaging the fiber.
Date: January 13, 1920
Creator: Tischer, Edward R.
Item Type: Refine your search to only Patent

Piston.

Description: Patent for improvements in pistons (also called follower heads) for pump cylinders that are more designed for oil wells. The principal object of this invention is to provide a means for renewing parts of the head to restore the same to its original diameter after it has become worn and loose.
Date: January 13, 1920
Creator: Miller, William James
Item Type: Refine your search to only Patent

Rail-Joint

Description: Patent for connecting fish plates at the meeting ends of rails where the rails are securely connected without the necessity of employing bolts. Another object of this improvement is to provide a combined fish plate and rail chair which can be applied to the rails.
Date: January 13, 1920
Creator: Jezik, Joseph J.
Item Type: Refine your search to only Patent

Hair-Clipper

Description: Patent for hair clippers in which the power-driven device will move positively in action comprises a few numbers of parts and is easy to operate.
Date: January 14, 1920
Creator: Jones, Sidney P. & Wallace, David P.
Item Type: Refine your search to only Patent

Antifreezing Appliance for Water-Pipes.

Description: Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for improvements to Cotton-Choppers. The invention relates to the agricultural implements and more particularly to machines for thinning rows of cotton, whereby to prevent crowding of the plants and insuring a stocky growth which will under favorable condition produce a good crop.
Date: January 20, 1920
Creator: Ogden, James D.
Item Type: Refine your search to only Patent

Elevator.

Description: Patent for an elevator used to lift pipe and other similar objects, the invention is designed to help drilling operations for oil wells.
Date: January 20, 1920
Creator: Steen, Buford J.
Item Type: Refine your search to only Patent
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