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Hydraulic Swivel

Description: Patent for a hydraulic swivel to be used with rotary well drilling machines which will carry water to the drill head through a supply line and maintain that supply line in a given position during drilling operation.
Date: January 26, 1915
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Putty-Trowel

Description: Patent for a putty trowel which will lay a line of putty and trowel it into place to secure glass in a window sash.
Date: January 26, 1915
Creator: Morris, James G.
Partner: UNT Libraries Government Documents Department

Frame Building.

Description: Patent for frame building. This invention relates to an improvement in the construction of buildings, especially frame buildings, and has for its object to provide a means whereby the building may be erected at a minimum cost and in a simple, convenient, and expeditious manner.
Date: January 26, 1892
Creator: Boyd, John Allen
Partner: UNT Libraries Government Documents Department

Hay-Press

Description: Patent for a hay press that is built with a large capacity and operates with little friction. Illustrations included.
Date: January 26, 1909
Creator: Guthrie, Marion D.
Partner: UNT Libraries Government Documents Department

Drive-Wheel for Traction-Engines

Description: Patent for a drive wheel for traction engines which has retractable wheel lugs. The wheel lugs used for traction on dirt roads can be "pivoted so that they may be withdrawn when not needed," such as when traveling on pavement.
Date: January 26, 1915
Creator: Wellensiek, Louis H.
Partner: UNT Libraries Government Documents Department

Well Mechanism

Description: Patent for a well mechanism that provides a coupling with strong, tight joints for the other parts of the mechanism. Illustrations included.
Date: January 26, 1909
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department
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