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Nut-Lock

Description: Patent for a nut lock that can be easily applied and detached from a bolt. Will lock screws in place to avoid accidental rotation of the bolt and is less expensive to make.
Date: February 16, 1915
Creator: Boren, W. E.
Partner: UNT Libraries Government Documents Department

Spectacles

Description: Patent for spectacles. Illustration included.
Date: February 21, 1905
Creator: Trulove, James William
Partner: UNT Libraries Government Documents Department

Tie Wire for Insulators

Description: Patent for device that attaches wire to electric devices, without employing the use of tie wires.
Date: February 6, 1917
Creator: Boyter, Robert L.
Partner: UNT Libraries Government Documents Department

Watering Trough

Description: Patent for livestock water trough that has a removable cover to prevent detritus from getting into the water.
Date: February 20, 1917
Creator: Scott, Charles F.
Partner: UNT Libraries Government Documents Department

Rail Joint

Description: Patent for stronger design of rail joints for laying train tracks. Includes illustrations and instructions.
Date: February 15, 1916
Creator: Stephenson, William A.
Partner: UNT Libraries Government Documents Department

Safety-Clamp for Spectacle-Cases &c.

Description: Patent for a safety clamp for spectacle cases and other small items, which holds the item in clothes pockets through the attachment of a clamp.
Date: February 1, 1910
Creator: Trulove, James W.
Partner: UNT Libraries Government Documents Department

Automatic Trailing Device

Description: Patent for an automatic trailing device. This device is made to "successfully follow the tracks of the front vehicle without the use of a driver on the vehicle in tow" (lines 14-17).
Date: February 24, 1920
Creator: Sloan, Charles Lee
Partner: UNT Libraries Government Documents Department
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