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Accident Brake Appliance

Description: Patent for an accident brake appliance for trains.
Date: November 15, 1910
Creator: Troutt, Martin E.

Acetylene Gas Generator.

Description: Patent for a new and useful improvements in apparatus for generating acetylene gas. This design is to "provide with few applicances a simple and compact apparatus requiring little attention for generating acetylene gas for light, heat, and power purposes" (line 11 - 14).
Date: February 15, 1898
Creator: Dederick, Zadoc P.

Acetylene Gas Torch

Description: Patent for a acetylene gas torch. Illustration included.
Date: March 15, 1904
Creator: Marsh, William H.

Adjustable Cultivator-Plow Standard.

Description: Patent for an adjustable cultivator plow that is designed to be strong and durable as well as efficient and simple.
Date: December 15, 1914
Creator: Wright, James B.

Adjustable Trunk-Rack

Description: Patent for a trunk-rack that is adjustable and sturdy. The trunk-rack design indicates that the rack has wheels and adjustable components to accommodate various sized pieces of luggage.
Date: April 15, 1919
Creator: Wessinger, Lon Woodram

Aeroplane.

Description: Patent for aeroplane construction to include improvements to air motor protection to minimize resistance and the use of air cups to direct the full force of air to the motor shaft, including illustrations.
Date: November 15, 1921
Creator: Smith, Joseph A.

Agricultural Machine

Description: Patent for improvements to certain components of agricultural machines, particularly the plow, planter, and stalk cutter attachments.
Date: April 15, 1919
Creator: Johnson, O. J.

Air-Pump

Description: Patent for an automobile air pump that can be power driven from a car motor. This pump can be driven from the rear wheel of a car.
Date: July 15, 1915
Creator: Causey, Thomas S. & Kelley, Robert B.

Air Pump

Description: Patent for an air pump for the delivery of air to the tire of a wheel.
Date: April 15, 1913
Creator: Scott, Charles Mack

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.

Amusement Device.

Description: Patent for an invention relating to the amusement device. Advantages and illustrations of the invention and amusement device are included.
Date: May 15, 1917
Creator: Moore, Charles L.

Animal-Trap.

Description: Patent for an improved animal trap, primarily intended for catching wolves, that is adjustable and economical to construct.
Date: October 15, 1907
Creator: Jones, Isaac W.

Animal-Trap.

Description: Patent for improvements in bait-trigger traps for catching small animals, with instructions and illustrations.
Date: December 15, 1891
Creator: Edwards, Joseph H.

Antifriction Hollow-Tube Sucker-Rod for Deep Wells

Description: Patent for a "simple and inexpensive means for coupling the tubular sections of the sucker rod together and guiding said rod with little or no friction into the well casing or tube" (lines13-17). This object is to be used in "pumping water, oil, and other liquids from deep wells"(lines 11-12).
Date: October 15, 1918
Creator: Black, William L.

Antiskidding Vehicle Wheel-Tire.

Description: Patent for an antiskidding vehicle wheel tire that has tread structure which prevents slippage or skidding of the tires on wet or icy roads.
Date: July 15, 1913
Creator: Dees, Mark A. & Dees, Thomas M.

Apparatus for Cleaning Cotton.

Description: Patent for an apparatus that cleans burs and other foreign matter from cotton through a suction process prior to ginning, including instructions and illustrations. The inventor claims this apparatus is simpler, more affordable, and more effective than previous methods for cleaning cotton.
Date: April 15, 1913
Creator: Brown, Thomas N.

Apparatus for Molding Concrete Walls

Description: Patent for an apparatus for molding concrete walls which is easy to assemble and move around and can be used for different size and shape walls.
Date: March 15, 1910
Creator: Cross, George F.

Apparatus For Refining Crude Petroleum

Description: Patent for an apparatus for refining crude petroleum. This invention seeks to process oil containing burned, scorched, or charred particles. Illustration included.
Date: March 15, 1904
Creator: O'Neall, James M.

Attachment for Cameras.

Description: Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Date: May 15, 1917
Creator: Bretz, George W.; Lowry, Claud A.; Wood, Oscar O.; Wade, J. H.; Pirtle, P. R.; Jones, F. E. et al.

Attachment For Mowers

Description: Patent for an improving to attachments for mowers that can be attached to shoe of the sickle bar. This attachment helps to raise the grain or growth being cut and bring it into the path of the sickle bar. It also works to ensure the cut grain will fall away from the standing grain.
Date: February 15, 1916
Creator: Muller, Hermann W.

Attachment for Plows.

Description: Patent for "a device whereby the land-bar, which is connected pivotally with the plow stock or standard, may be adjusted vertically at its rear end," (lines 9-12) including instructions and illustrations.
Date: December 15, 1891
Creator: Miller, Amanuel M.

Audiphone

Description: Patent for a audiophone which reproduces sounds at their original volume and timbre through the use of diaphragms vibrated by an electric signal.
Date: October 15, 1907
Creator: Baker, John A.
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