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Motor-Actuated Locking Device for Automobiles

Description: Patent for a device that prevents the drive shaft of an automobile from when moving when pushed by an unauthorized person. The device acts as a form of security to ensure unauthorized individuals are unable to move the vehicle. Additionally, the device can be used while the vehicle is in motion in order to slow the drive shaft, and thus the vehicle.
Date: November 18, 1919
Creator: Wherry, Robert D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Drill Wrench.

Description: Patent for a well drill wrench that is easily adjustable for different sized drill chucks. Its designs makes rotating the wrench smoother and less likely to slip off of drill chucks.
Date: November 8, 1921
Creator: Ellinger, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Saw Mill Dog.

Description: Patent for a new and improved saw mill dog. This design "is an improvement in the class of dogging apparatus which is affixed to one of the knees of a head-block of the log-carriage" (lines 8-11). The improvement consists in the combination and arrangement of parts, specifically "the notched dog and adjustable slotted drop-catch with the slotted moveable dog-bar and base-stand" (lines 77-79).
Date: November 2, 1880
Creator: Wickham, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adjustable Crib or Bed.

Description: Patent for improvements in Adjustable Cribs or Beds for children to sit beside the bed of the mother or guardian of the child. Made to be "easily and quickly attachable to or connected with any make of" (lines 17-19) the adult's bed "so that the mattresses of the bed and crib will be perfectly even or flush, without space...between them" (lines 20-22). Includes illustrations.
Date: November 25, 1919
Creator: Rece, Frank S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Disk Cultivator.

Description: Patent for an improvement on a previous patent granted to the inventor (no. 526,962)for a disk cultivator. The improvement is that "the disks are supported at any point on the under side of the disk-frame and in means whereby the disk-supporting frame may be elevated from the ground" (lines 16-19).
Date: November 3, 1896
Creator: Brock, Andrew L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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