UNT Libraries Government Documents Department - 10 Matching Results

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Bridge

Description: Patent for the construction of substantial bridges of wood adapted for long spans, and which can be put up where iron bridges would be too expensive.
Date: May 24, 1881
Creator: Brenner, August W.
Item Type: Refine your search to only Patent

Clinometer

Description: Patent for a clinometer. This invention is designed to measure the grades and angles of inclination of structures and objects of various descriptions. Illustration included.
Date: May 19, 1908
Creator: Keith, John David & Faulkner, Walter Edgar
Item Type: Refine your search to only Patent

Cold-Iron Straightener.

Description: Patent for a cold iron straightener for straightening wagon axles or pipes while they are still on the vehicle, which allows for more forceful bending than previous devices and restoration of the parts to their natural position.
Date: May 14, 1907
Creator: Keith, John David
Item Type: Refine your search to only Patent

Cultivator.

Description: Patent for a new and improved cultivator. This design is "for cultivating stubble, sugar-cane, cotton, corn, and other plants planted in rows or drills, which will remove the soil from the sides of the rows without injuring the roots, and will throw soil around the plants, and which shall be simple in construction and convenient in use" (lines 15-21).
Date: May 10, 1881
Creator: Brenner, August William & Fraser, James
Item Type: Refine your search to only Patent

Pipe-Wrench

Description: Patent for a self-adjustable pipe wrench that actively adapts to the material it is applied to by means of a moveable portion of the gripping jaw, with illustrations and instructions.
Date: May 28, 1918
Creator: Moore, Joseph D.
Item Type: Refine your search to only Patent

Type-Writer.

Description: Patent for a new device for typewriters which allows for shifting from lower case to upper case by means of "the one set of keys ordinarily employed, but of modified construction" (lines 14-15) including descriptions of the device, operation, and illustrations
Date: May 6, 1902
Creator: Austin, Thomas R.
Item Type: Refine your search to only Patent

Well-Liner Clamp.

Description: Patent for a well-liner clamp for oil, gas, and other similar wells that prevents the well from caving in. The well-liner clamp is made of resilient material to hold in place, contracts while being placed into the well, and can be released after being placed into the well to expand to fit the walls of the well.
Date: May 31, 1921
Creator: Bigelow, Robert J.
Item Type: Refine your search to only Patent
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