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Wrench.

Description: Patent for a pipe wrench that is is strong but does not crush the pipe and eliminates the need for other specialized tools to perform work on pipes.
Date: April 2, 1907
Creator: Lavier, Thomas H.
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Wrench.

Description: Patent related to a wrench that is adjustable to fit any nut size. When secured on the nut, this wrench will firmly grip the nut until the handler loosens the wrench from the nut.
Date: April 9, 1912
Creator: Weatherly, George B.
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Wrench.

Description: Patent for a "simple, efficient, and comparatively inexpensive wrench of strong and durable construction" (lines 12-14) with a sliding jaw.
Date: April 7, 1914
Creator: Cunningham, Ira & Flowers, Haywood
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Wrench

Description: Patent for an improvement in the design of wrenches, particular for heavy work such as deep well drilling, but still being able to be designed at smaller sizes to handle lighter work.
Date: April 11, 1922
Creator: Reed, Clarence E.
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Wrench and Cutter.

Description: Patent for a simple, durable, and economic wrench and cutter that is easily used to turn nuts, pipes, or to cut pipes. The wrench does not need to be removed while cutting.
Date: April 18, 1893
Creator: Fletcher, Theodore
Item Type: Refine your search to only Patent

Writing-Machine.

Description: Patent for writing-machine mechanism which prolongs the life of the ribbon and provides "means to rotate the platen step by step at each actuation of one or more of the keys" (line 20).
Date: April 24, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.
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Yoke for Connecting Animals.

Description: Patent for a new improvements in animal yoking. Patent for "a new and improved yoking or coupling for connecting two animals together when grazing which allows automatic disconnection in case either of the animals gets a foreleg over the coupling" (lines 8-12) including instructions and illustrations. Patent for a new animal yoking design, including illustrations.
Date: April 17, 1888
Creator: Carmichael, William
Item Type: Refine your search to only Patent
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