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Key-Ring Clip.

Description: Patent for new improvements for key ring clips that will not detach in a seated position.
Date: July 6, 1920
Creator: Evans, William
Partner: UNT Libraries Government Documents Department

Thill-Coupling.

Description: Patent for a thill-coupling that has a clip-eye, pivot-bolt, and an open-slotted thill-iron that has flat and extended jaws with a hole. The jaws are lined up with the thill-iron, meant to secure a railroad spike into place. The invention also has a flat bar-spring attached to the thill-iron.
Date: July 30, 1895
Creator: Dibrell, Anthony
Partner: UNT Libraries Government Documents Department

Saw Tooth.

Description: Patent for a new and improved saw tooth. This design "relates to saws having attachable and detachable teeth held to their places by locking plates or keys inserted, like the teeth, within recesses in the saw-plate; and it consists in a novel construction of the parts, also in combining with the same a spring-bolt, whereby each tooth and its locking key are securely held in position, with facility for detachment when required, and whereby, also, any drawing action, in cutting of the wood on the… more
Date: July 29, 1884
Creator: Conover, Philip V.
Partner: UNT Libraries Government Documents Department

Self-Closing Farm-Gate

Description: Patent for a self-closing farm gate that can be operated by a lever while on a vehicle or wagon. Illustrations included.
Date: July 11, 1911
Creator: Clarke, George R.
Partner: UNT Libraries Government Documents Department
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