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Wrench.

Description: Patent for a pipe-wrench that has a shank with a fixed jaw, a handle for the shank, a movable jaw with two loops for the shank to pass through and a movable upper loop, a ferrule attached to the handle with a long opening, an adjustable screw with a milled collar in the movable jaw, and a pin attached to the shank.
Date: July 16, 1895
Creator: McElroy, Harry
Partner: UNT Libraries Government Documents Department

Machine For Grinding Valve Seats

Description: Patent for a simpler machine for Grinding Valve-Seats. This machine relates to the machinery involved in the grinding and finishing of valve seats.
Date: July 28, 1905
Creator: Meyners, Henry
Partner: UNT Libraries Government Documents Department

Locking Device For Car-Couplings.

Description: Patent for a new and improved locking device for car couplings, including instructions and illustrations.
Date: July 18, 1899
Creator: Stewart, George P.
Partner: UNT Libraries Government Documents Department

Mechanical Movement

Description: Patent for invention has relation to mechanical movement and object is to provide a mechanical means for operating trip lever or other devices, and to this end the novelty consists in the system of lever cranks.
Date: July 28, 1885
Creator: Pickle, Obadiah A.
Partner: UNT Libraries Government Documents Department

End Door For Cars

Description: Patent for a new end door on freight train cars including instructions and illustrations.
Date: July 10, 1900
Creator: Goodridge, Ethan A.
Partner: UNT Libraries Government Documents Department

Device for Converting Reciprocating into Rotary Motion.

Description: Patent for a new and improved device for converting reciprocating into rotary motion. This design "has for its object to provide means whereby rotary motion may be converted into reciprocating motion or reciprocating motion into rotary motion without the intervention of cranks; and to this end it consists in a mutilated gear pinion secured to a rotating shaft and provided with suitable cams, whereby the gear-teeth upon the pinion are caused to engage with gear-teeth upon a yoke embracing said p… more
Date: July 18, 1882
Creator: Richardson, John T.
Partner: UNT Libraries Government Documents Department
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