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Cotton-Chopper

Description: Patent for improvements to cotton-choppers inculding illustrations.
Date: April 13, 1915
Creator: Hamilton, Robert
Partner: UNT Libraries Government Documents Department

Self-Soaping Washboard.

Description: Patent for self-soaping washboards to reduce the amount of soap wasted.
Date: April 13, 1915
Creator: Kennedy, William J.
Partner: UNT Libraries Government Documents Department

Ant-Trap

Description: Patent for a trap for ants and other burrowing insects which works at the site of the ant-hill or burrow.
Date: April 13, 1915
Creator: Cox, Samuel L.
Partner: UNT Libraries Government Documents Department
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