UNT Libraries Government Documents Department - 650 Matching Results

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Underscoring Attachment for Type-Writers.

Description: Patent for an improvement on an underscoring attachment for type writers that allows the user to use the functions of underscoring, correcting, and cancelling characters as they type, allowing some functions to occur simultaneously, including instructions and illustrations.
Date: July 17, 1917
Creator: Aiton, Fred

Switch.

Description: Patent for a switch mechanism for use on railroads. The switch can be installed without cutting the railroad tracks. Instructions and illustrations are included.
Date: March 20, 1917
Creator: Allen, Gus V.

Reel

Description: Patent for an improvement in reels. The reel features improvements in how to attach the end of a film strip to the reel for winding.
Date: June 12, 1917
Creator: Allen, Harry Porter

Pumping-Engine.

Description: Patent for a pumping engine that pumps air, water, oil, or other agents. It was designed to be used for air pumps on locomotives, inflating tires on automobiles, pumping water in steam operated machines, and other uses.
Date: June 5, 1917
Creator: Allison, Jesse H.

Plow.

Description: Patent for a reinforced plow shoe that eliminates frictional wear on the landside bar and reduces wear on the landside plate of the plow.
Date: October 16, 1917
Creator: Alston, William H.

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.

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.

Vehicle-Wheel.

Description: Patent for a vehicle wheel that "embodies a flexible tread and radially arranged springs for absorbing shocks and cushioning the yielding of the parts of said tread." (lines 10-13).
Date: July 10, 1917
Creator: Anderson, Lycurgus

Amusement Apparatus

Description: Patent for an amusement apparatus of the character set forth with and inclined place made of a number of pivoted sections which may be simultaneously moved into horizontal position to form steps or seats and be held in such position by trip device provided with a target which latter upon being hit by a thrown ball will release the several sections of the inclined plane of steps and permit them through the weight of one or more persons thereon to aline one with the other and form a continuous in… more
Date: July 31, 1917
Creator: Andrews, J.W.

Watering-Trough.

Description: Patent for a valve that controls the flow of drinking water from a reservoir or tank into a trough. It can be operated by domestic animals and automatically shuts off when they are finished drinking.
Date: August 21, 1917
Creator: Atkinson, George C.

Exhibitor

Description: Patent for device which would allow motorists to display road maps in their vehicle while driving. Would also include a light so maps could be visible at night.
Date: August 14, 1917
Creator: Atkinson, Jackson B.
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