UNT Libraries Government Documents Department - 18 Matching Results

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Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Item Type: Refine your search to only Patent

Improvement to Lifting-Jacks

Description: Patent for the improvement of the lifting jack which allows the user to "lower the lifting bar by a step-by-step movement as well as to elevate the lifting bar by such a movement (lines 12-14). Includes instructions and illustration."
Date: January 12, 1915
Creator: Parker, Charles W. & Wittliff, Theodore H.
Item Type: Refine your search to only Patent

Ventilating-Fastener.

Description: Patent for an improved tuft fastening device that provides ventilation through cushion tufts to make cushions cooler to the touch, including illustrations.
Date: May 8, 1917
Creator: Davis, Don M. & Underwood, Thomas J.
Item Type: Refine your search to only Patent

Flexible Joint

Description: Patent for a flexible joint provides "an improved and simplified device that is simple, durable and reliable in construction and effective and efficient in operation" (lines 10-13).
Date: November 16, 1915
Creator: Mooney, Thomas H.
Item Type: Refine your search to only Patent

Game Apparatus.

Description: Patent for a new game apparatus that can be playing indoors or outdoors and made in both large and small sizes "in which the elements, of chance, skill, and endurance constitute important factors in the successful playing of said game." (lines 10-13) including instructions and illustrations.
Date: June 2, 1914
Creator: Schuler, Joseph & Overbeck, Harry A.
Item Type: Refine your search to only Patent

Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charles Jr.; Belt, Marcus L. Jr. & Belt, William R.
Item Type: Refine your search to only Patent

Osteopathic Table

Description: Patent for improvements in Osteopathic Tables by adding mechanical parts to facilitate ease of movement and manipulation of the human body for "correcting and curing physical irregularities of the spine and ribs" (lines 19-20), includes instructions and illustrations.
Date: May 20, 1913
Creator: Sherwood, L. Walker
Item Type: Refine your search to only Patent

Magazine-Hammer

Description: Patent for a new Magazine-Hammer. The new and improved Magazine-Hammer consists of a setting hammer head, carrying handle, feed device for nails, tacks, or like fasteners, discharge device, and mounted setting tube. This Magazine-Hammer improvement allows the operator to drive fasteners with one hand and manipulate an object with one free hand.
Date: July 2, 1912
Creator: Smith, Oliver J. A.
Item Type: Refine your search to only Patent

Tie-Plate

Description: Patent for a tie plate that sticks firmly to the ties, keeps out moisture, and is lighter than other tie plates.
Date: July 16, 1912
Creator: Walton, Jay W. & Dayton, William H.
Item Type: Refine your search to only Patent

Piano-Hammer.

Description: Patent for a piano hammer, which has a strip of striking material that can be moved over to a new section when one section wears out, to increase the life of the hammer.
Date: May 24, 1910
Creator: Young, Henry E.
Item Type: Refine your search to only Patent
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