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Lap Ring.

Description: Patent for a new and improved lap ring (or link). This design utilizes a hinge to allow for half of the ring to part from the other half, which creates a larger opening and allows for connection with a wider range of things (e.g., larger clevises).
Date: October 25, 1881
Creator: Matthews, James Levi
Partner: UNT Libraries Government Documents Department

Plow Attachment.

Description: Patent for a new and useful plow attachment, including instructions and illustrations.
Date: October 24, 1899
Creator: Pool, Benjain L.
Partner: UNT Libraries Government Documents Department

Design for a Railroad-Brace.

Description: Design patent for a railroad brace that has an essential feature of possessing peculiar shape and configuration.
Date: October 4, 1898
Creator: Cater, Daniel
Partner: UNT Libraries Government Documents Department

Grate Bar

Description: Patent for a grate bar.Illustration included.
Date: October 18, 1910
Creator: Wilderspin, Anderson & Earnest, David C.
Partner: UNT Libraries Government Documents Department

Hoisting Device

Description: Patent for a hoisting device. Illustration included.
Date: October 25, 1910
Creator: Sims, James L.
Partner: UNT Libraries Government Documents Department
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