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Pocket-Closure

Description: Patent for a pocket closure. Illustrations included
Date: June 29, 1909
Creator: Wilkinson, John W.
Partner: UNT Libraries Government Documents Department

Door-Hanger.

Description: Patent for a door hanger which supports heavy doors, in particular "barn doors, freight car doors, and the like."
Date: April 29, 1913
Creator: Caneavri, Joseph
Partner: UNT Libraries Government Documents Department

Roof Structure.

Description: Patent for an improved roof structure that has "movable panels in the roof and side walls... to permit of manual adjustment to regulate the temperature, light, and moisture" (lines 10-14). This patent includes instructions and illustrations.
Date: October 29, 1918
Creator: Simon, Jacob P.
Partner: UNT Libraries Government Documents Department

Saw Filing Machine

Description: Patent for a saw filing machine. This invention is designed to allow the teeth of saws to be sharpened with a reciprocatory file. Illustration included.
Date: January 29, 1907
Creator: Tatum, Cicero J. & Dunn, Lemuel E.
Partner: UNT Libraries Government Documents Department

Float-Controlled Liquid-Gaging and Cut-Off Means.

Description: Patent for an automatic cut off device for oil tanks that indicates the amount of water in an oil tank and will automatically close the discharge opening when all the water has been discarded from the tank.
Date: June 29, 1920
Creator: Waldrep, Granville J.
Partner: UNT Libraries Government Documents Department

Well Boring Apparatus.

Description: Patent for a well-boring apparatus, an invention of a drilling apparatus using a form of power to transmit rotary movement to the string of a pipe. This invention is designed to lock the rotary elements against movement when the drill or pipe is moved or adjusted within its support.
Date: November 29, 1921
Creator: Boykin, Burwell, Jr.
Partner: UNT Libraries Government Documents Department

Apparatus for Treating Granular Materials

Description: Patent for an apparatus for treating granular materials. Illustrations included.
Date: October 29, 1912
Creator: Lanaux, Alfred A.
Partner: UNT Libraries Government Documents Department
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