UNT Libraries Government Documents Department - 9 Matching Results

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Improvement in Collars.

Description: Patent for a device improving the speed and efficiency of shirt collar fastening, as well as the securing of items such as scarves and ties, including illustrations.
Date: April 6, 1876
Creator: Mitchell, Frank G. & Saunders, William J.

Music-Indicator.

Description: Patent for a music indicator, which shows sheet music notations and the name of the note and major and minor chords on a device, which is placed over the keyboard of a piano to show where the different notes are for use in teaching music.
Date: January 21, 1908
Creator: Thrash, William E.

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.

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.

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.

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.
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