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Improvement in Wheel-Plows.

Description: Patent for an improvement in wheel plows made so that "the plowing may be done by passing back and forth in parallel lines" (lines 17-18).
Date: September 5, 1871
Creator: Coreth, Rudolph
Partner: UNT Libraries Government Documents Department

Improvement in Wheel-Cultivators.

Description: Patent for the improvement of wheel-cultivators, combining a plow and cultivator. It includes a description and illustration.
Date: September 19, 1871
Creator: Viars, John A.
Partner: UNT Libraries Government Documents Department

Improvement in Combination Locks.

Description: Patent for improved combination locks, with a bolt that is locked or unlocked by the combination of spindles and pivoted buttons. The invention combines the spindles in to an "annular ring having letters or numbers and a series of different shaped pegs or combinations of letters or figures or both jointly" (pg 1).
Date: September 12, 1871
Creator: Hall, William N.
Partner: UNT Libraries Government Documents Department

Improvement in Railway-Car Trucks.

Description: Patent for improvements in railway car trucks.
Date: September 12, 1871
Creator: Mestier, John R.
Partner: UNT Libraries Government Documents Department

Improvement in Gate-Latches.

Description: Patent for improvements in gate latches: "to provide a self closing latch, simple in its construction and easy f operation" (lines 18-19).
Date: September 26, 1871
Creator: Lee, John H.
Partner: UNT Libraries Government Documents Department
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