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Slat Fastening.

Description: Patent for a new and improved slat fastener. This design consists in "[t]he combination, with the eyes, of the notched slats adapted to receive said eyes in the end notches and the hooks pivoted to the slats and adapted to engage the eyes" (lines 64-67).
Date: July 14, 1885
Creator: Keith, Stephen Perry
Partner: UNT Libraries Government Documents Department

Saw-Oiling Device

Description: Patent for a hand saw blade oiling device built into the handle of the saw. By holding stops and pulling back on the pistons of the device on the saw handle, oil is released and forced into nozzles which deliver oil onto the blade.
Date: August 14, 1906
Creator: Stewart, Luther F.
Partner: UNT Libraries Government Documents Department

Back-Brace

Description: Patent for improvement on back braces, specifically to improve the performances of people who repeatedly stoop for their jobs. The back brace aims to relieve the stress on back muscles.
Date: November 14, 1911
Creator: Thornton, Henry C.
Partner: UNT Libraries Government Documents Department

Churn.

Description: Patent for a new and improved churn. This design "provide[s] a cheap, durable, and easily-operated motor for dash-churns, and one the length of stroke of which can be varied to suit the size of the churn and the quality of the cream to be churned. [The] invention consists of a dash-lever, connecting-rod, crank and pulley shaft, and large drive-wheel, the dash-lever being made adjustable as to its length of stroke" (lines 7-15).
Date: March 14, 1882
Creator: Blackstock, John Lafayett
Partner: UNT Libraries Government Documents Department
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