UNT Libraries Government Documents Department - 3 Matching Results

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Patent for an in-ground ant trap that prevents the ants from escaping once caught in the trap, including instructions and illustrations

Date: September 12, 1911

Creator: Knox, Jessie Lonzo

Item Type: Patent

Patent for a railroad car ventilating system that does require opening the windows.

Date: February 14, 1911

Creator: Shanley, Michael H.

Item Type: Patent

Patent for a cultivator attachment that allows the cultivator height to be adjusted for digging. Illustrations included.

Date: January 10, 1911

Creator: Stewart, Lon Woodson

Item Type: Patent