UNT Libraries Government Documents Department - 14 Matching Results

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Adding-Machine.

Description: Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Date: March 21, 1893
Creator: Brooks, Augustus J.
Item Type: Refine your search to only Patent

Pipe-Tongs

Description: Patent for an improvement on the existing design of pipe tongs, the improvement will allow for one individual to hold the tongs, adjust the size around the pipes, and screw or unscrew the pipe alone. Previous designs required two or three individuals.
Date: March 9, 1920
Creator: Hill, Richard Dennie
Item Type: Refine your search to only Patent

Power-Transmitting Mechanism.

Description: Patent for an improved power-transmitting mechanism for, "bicycles, motorcycles and similar vehicles whereby rotation is transmitted to the driven wheel without the use of chains, belts, gears or analogous elements commonly employed for this purpose" (lines 14-18). The invention will maximize driving power while minimizing energy expenditure (lines 19-24), employ a propelling mechanism, and reduce manufacturing and repair costs.
Date: March 11, 1919
Creator: Grubb, Orin A.
Item Type: Refine your search to only Patent

Process of Making Lubricants.

Description: Patent for "an improved process for making a lubricant especially adapted for parts of moving machinery which will be efficient to keep said parts and their bearings cool and which may also be used to cool heated journals and bearings" (lines 11-16).
Date: March 26, 1901
Creator: Hudnall, Millard Stewart
Item Type: Refine your search to only Patent

Pump

Description: This patent is for pumps. This patent allows for the pump barrel to be readily disengaged from its normal positive engagement with the well tube for removal from said tube for repairs or any other reason.
Date: March 19, 1918
Creator: Perry, Sherman V.
Item Type: Refine your search to only Patent

Sack-Protector.

Description: Patent for an improvement to sacks, as used in picking berries, to protect the bag from deterioration caused by dragging of the sack on the ground.
Date: March 4, 1919
Creator: Roer, William A.
Item Type: Refine your search to only Patent

Texas Attorney General Opinion: DM-469

Description: Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether Government Code section 2258.021 requires Midwestern State University to pay the prevailing wage rate to electricians performing work on Bolin Science Hall, and related questions.
Date: March 12, 1998
Creator: Texas. Attorney-General's Office.
Item Type: Refine your search to only Text

Toy Aeroplane.

Description: Patent for a new and improved toy airplane to be propelled by the feet and steered by the child seated inside, including illustrations. It "is relatively simple and inexpensive to produce, while also being able to withstand considerable rough handling" (lines 26-28).
Date: March 15, 1921
Creator: Paul, Leon R.
Item Type: Refine your search to only Patent
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