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Draft Equalizer

Description: Patent for Draft Equalizer with levers and pulleys for attaching a horse or team of horses.
Date: March 16, 1913
Creator: Dudley, Thomas J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cultivator Attachment

Description: Patent for adding spring teeth with adjustable parallel bar attachments to agricultural cultivators. Illustrations included.
Date: December 16, 1913
Creator: Ledbetter, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sewer-Clean-Out Cover

Description: Patent for specific improvements of sewer-clean-out covers that will "provide a cover for the clean out pipes of sewers, which cover will be securely held in place under ordinary circumstances and cannot be removed except by authorized parties carrying a certain form of key, adapted to release the fastening mechanism" (lines 10-16) including illustrations and instructions.
Date: September 16, 1913
Creator: Linskie, Benjamin B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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