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in subjects: "Science and Technology - Tools"  
Results: 1 - 7

Hose-Coupling.

Description: Patent for new usability improvements for hose coupling, designed for novice users, including illustrations.
Date: July 3, 1906
Creator: Stephens, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Corn-Heading Knife

Description: Patent for improvements in the cutting blades of corn-heading knives that are worn on the hands. Illustrations included.
Date: March 31, 1914
Creator: Owen, Melville D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Train-Order Holder.

Description: Patent for Train-Order Holder designed to keep sheets of paper secure and in place to prevent writing on margins and displacement.
Date: November 30, 1920
Creator: Crady, Daniel R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Milk-Stool.

Description: Patent for "certain new and useful Improvements in Milk-Stools" (lines 4-5) including instructions and illustrations.
Date: November 29, 1892
Creator: Sevier, Moses Nimrod
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad-Gate.

Description: Patent for improvements in automatic railway and farm gates by using a combination and arrangement of two supporting-frames, two sliding gates, a diagonal rod to secure the gates; with three levers each having its own functions, and two friction rollers. Illustration is included.
Date: May 12, 1891
Creator: Wood, Horace Overall & Smith, Sanford Sanders
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pipe and Like Stem.

Description: Patent for improved smoking equipment stems which prevents saliva from running down the stem. The end of the stem has a new design which extends upwards and then wraps forward and downward, leaving a slot where no saliva can enter.
Date: February 22, 1921
Creator: Crossman, Alvin Amos
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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