UNT Libraries Government Documents Department - 7 Matching Results

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Cotton-Chopper.

Description: Patent for a cotton-chopper meant to be the most simply constructed. The hoes are attached to a rotating cylinder in the center of the frame, and the hoes rotating is what chops the cotton.
Date: March 9, 1897
Creator: Hopkins, Benjamin F.
Item Type: Refine your search to only Patent

Envelop-Seal.

Description: Patent for an envelop seal composed of a metal piece with two arms, which are threaded through a hole in the envelop and pressed down into the sticky gum surface on the inside of the envelop flap.
Date: March 9, 1909
Creator: Bennick, Henry
Item Type: Refine your search to only Patent

Piston for Pneumatic Pumps.

Description: Patent for improvements in pistons for pneumatic pumps by using a combination of a tubular shell, a cylindrical valve, a conical aperture and a conical projection to fulfill the conditions required of a piston in pumps. Illustration is included.
Date: March 31, 1891
Creator: Robinson, Charles H.
Item Type: Refine your search to only Patent

Texas Attorney General Opinion: V-105

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, Price Daniel, regarding a legal question submitted for clarification: Authority of Prison Board to direct general manager to permit the use of inmate labor on sewage project with the City of Huntsville.
Date: March 26, 1947
Creator: Texas. Attorney-General's Office.
Item Type: Refine your search to only Text
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