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Air-Brake Governor

Description: Patent for an air brake governor improvement that regulates the pressure of fluid or air in the braking system as to prevent it from braking with too much pressure.
Date: July 10, 1906
Creator: Williams, Leonard F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow Attachment.

Description: Patent for the ability to attach one or more plows simply and inexpensively so users can customize their plowing methods as needed.
Date: February 10, 1914
Creator: Welch, Drew O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Engine

Description: Patent for improvements to gas engines, including the addition of improved pistons.
Date: August 10, 1915
Creator: Hunter, Elbert I.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench with an adjustable handle for multiple uses, with illustrations.
Date: April 10, 1906
Creator: Land, Henry Clay
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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