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Weighing-Scale

Description: Patent for an improved weighing scale that is made in a way that prevents error in weighing objects.
Date: June 27, 1905
Creator: McKee, Clarence W.
Partner: UNT Libraries Government Documents Department

Metal Cross Tie And Rail Fastener

Description: Patent for metal cross ties and rail fasteners. Illustrations included.
Date: September 27, 1904
Creator: Sawyer, Ben S. & Bull, Clarence C.
Partner: UNT Libraries Government Documents Department

Speed-Changing Gear.

Description: Patent for an automatic speed changing gear for trains.
Date: October 27, 1908
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Spark-Arrester.

Description: Patent for a spark aresster that is designed to prevent the discharge of sparks from a flue, particularly flues for small stoves used in army tents.
Date: January 27, 1920
Creator: Ashby, Bert A.
Partner: UNT Libraries Government Documents Department

Packet-Holder.

Description: Patent for a packet holder used to wrap and tie a bundle of mail or letters made using a cord and clasp plate.
Date: January 27, 1920
Creator: Ashby, Bert
Partner: UNT Libraries Government Documents Department

Metallurgical Process

Description: Patent for improvements to metallurgical process that involves "seperating metals from their ores" (lines 13-14) under the right conditions and seeks to lower the costs of the process.
Date: August 27, 1918
Creator: Dawson, Oliver B.
Partner: UNT Libraries Government Documents Department

Necktie

Description: Patent for a pre-made necktie. This is a pre-made four in hand necktie that is designed to be adjustable to various neck sizes and made to not tear a shirt collar.
Date: April 27, 1915
Creator: Allen, Joseph H.
Partner: UNT Libraries Government Documents Department

Seal-Lock.

Description: Patent for a seal lock for railroad cars, which will show whether an unauthorized entry has been made by requiring the seal ton be broken before the lock opens.
Date: April 27, 1909
Creator: Christian, Edward L.
Partner: UNT Libraries Government Documents Department

Implement for Replacing Inner Tubes of Pneumatic Tires.

Description: Patent for a device for replacing the inner tubes of pneumatic tires, designed especially for bicycle tires. The device "will take hold of the end of the inner tube without liability of cutting it, and that will grip it with a degree of tightness proportionate to the amount of force required to pull it through the outer casing" (lines 41-45). This is easier than previous methods of replacing inner tubes.
Date: October 27, 1896
Creator: McCutcheon, William S.
Partner: UNT Libraries Government Documents Department

Governor for Explosive-Engines.

Description: Patent for a governor for explosive engines for use in trains, which will increase the fuel efficiency of the engines.
Date: April 27, 1909
Creator: Mayo, William C. & Houlehan, John
Partner: UNT Libraries Government Documents Department

Piston Packing

Description: Patent for an improved means of packing pistons in gas, steam, or similar engines, which reduces the likelihood of loss of compression.
Date: September 27, 1921
Creator: Williams, Nolan S.
Partner: UNT Libraries Government Documents Department
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