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in creator/contributor: "Spellman, John M."  
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Writing-Machine.

Description: Patent for "new and useful Improvements in Writing-Machines, of which the following is a specification. Our invention relates to stenographic writing machines and particularly to a ribbon feed and reverse for such machines" (lines 6-11).
Date: November 30, 1915
Creator: Edwards, Alrah B. & Russell, Frank K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement to Elevator Signal Systems

Description: Patent for an improvement to an elevator in which “to provide an elevator signal system that will permit a party at any landing to indicate his desire to go up or down to the elevator operator by pressing one of two buttons” (lines 10-15). Instructions and illustration included.
Date: February 2, 1915
Creator: Johnson, Charles S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pad for Lower Limbs

Description: Patent for a new single pad for the lower limbs, particularly of "feminine theatrical performers" (lines 12-13). Unlike previous pads which represented single muscles, the new pad contains all the muscles required for a lower limb in one, so that the muscles will not slip around when the performer is dancing.
Date: October 30, 1917
Creator: Matragos, Nick
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hosiery Spat.

Description: Patent for hosiery spat that provides feet and ankle "protection when fancy 'open work' or thin hosiery is worn." (lines 15-16) including illustrations.
Date: November 7, 1922
Creator: von S.S. Blum, Elisa
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fuse-Block.

Description: Patent for the Fuse Block. Patent is an improvement to the existing Fuse Block. It allows safer working conditions for those who have to replace or install new fuse blocks at night and/or the rain.
Date: October 13, 1914
Creator: Anderson, Ulin S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Riveting-Machine and the Art of Riveting.

Description: Patent for improving riveting machines "used in the manufacture of leather and similar goods" (lines 12-13) such that "during the riveting operation the end of the rivet is spun and cut off to hold the bur or washer to its work" (lines 16-19).
Date: October 12, 1920
Creator: Shaw, Fred H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper Machine.

Description: Patent for for the creation of a mechanism for the cotton chopper machine. The " provision of a cotton chopper machines comprising a wheel supported frame on which is arranged a particular form of revolving and reciprocating hoe mechanism." (lines 12-16)
Date: November 25, 1913
Creator: Penn, Joseph R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Striking Mechanism for Stenographic Writing-Machines.

Description: Patent for "new and useful Improvements in Striking Mechanism for Stenographic Writing-Machines, of which the following is a specification. Our invention relates to stenographic typewriting machines, and relates more particularly to a striking mechanism for such machines" (lines 6-13).
Date: November 30, 1915
Creator: Edwards, Alrah B. & Russell, Frank K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Escapement for Watches

Description: Patent for escapement for watches that allows connecting pieces to adjust more easily, this includes fixed jewels, palettes, levers, etc.
Date: July 25, 1916
Creator: De Long, Charles E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Drill-Bit

Description: Patent for new improvement in drill-bits. The object of the invention is to "provide the driller with advanced knowledge of the formation into which he is about to extend his main hole".
Date: January 11, 1921
Creator: Smith, Primus W.; Bookhout, John J. & Monce, Edwin W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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