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Jack.

Description: Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Date: August 6, 1907
Creator: Blake, David Alexander & Blake, Charles W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Equalizing Device for Pump-Rods.

Description: Patent for an improved equalizing device for pump-rods used in hand or windmill pumps that increases the operating efficiency and decreases the manufacture cost of the device.
Date: April 10, 1906
Creator: Shipman, John Davis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wheel

Description: Patent for a vehicle wheel with a rigid frame and a hub that has radical range of motion.
Date: April 7, 1903
Creator: Lasswell, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pocket-Knife.

Description: Patent for a pocket knife that includes a wet stone built into its detachable handle. The handle may be taken off in order for the user to sharpen retractable blades attached to the pocket knife. This improvement upon the pocket knife design may be employed to the handle portion of any knife such as butcher knives or hunting knives.
Date: December 19, 1911
Creator: Irick, William M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trap-Gun.

Description: Patent for a trap gun, which is protected from the weather.
Date: November 15, 1910
Creator: Lovelace, Charles D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spring-Motor

Description: Patent for a motor used to operate light machinery such as sewing machines using spring power. Illustrations included.
Date: September 28, 1909
Creator: O'Bannon, William H. & Field, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Draft Device

Description: Patent for a draft device for agricultural machines. Illustrations included.
Date: November 29, 1910
Creator: Dowdy, Ewell Monroe
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Trap-Gun.

Description: Patent for a trap gun, which is placed in a trap and fires when bait is disturbed which will only go off when the bait is tampered with and can turn to follow an animals movements in the trap.
Date: March 24, 1908
Creator: Lovelace, Charles D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Windmill

Description: Patent for a windmill. It turns creating rotary motion, caused by the wind, which is used as a pumping power source.
Date: November 2, 1905
Creator: Doty, David
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ventilating Apparatus.

Description: Patent for a ventilating apparatus "adapted for use in connection with buildings, storehouses, and school and other buildings, both public and private" (lines 9-12).
Date: March 26, 1901
Creator: Vernon, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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