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Sad-Iron Heater.

Description: Patent for a portable device for heating sad-irons (as well as other heaters) with a small oil tank for a burners and a cover. The device will regulate the amount of oil and provide coverage that will maintain the high temperature of the sad-iron.
Date: March 23, 1915
Creator: Beck, Joseph P.
Partner: UNT Libraries Government Documents Department

Disk Plow

Description: Patent for a disk plow. This design of plow provides multiple blades and constructed to be less dangerous to the operator.
Date: June 23, 1903
Creator: Creager, James A.
Partner: UNT Libraries Government Documents Department

Coupling for Connecting Plows Tandem.

Description: Patent for a coupling for holdings plows together that allows for the plows to be close together, easily turned, and lets each plow perform its full function uninhibited by the other plows.
Date: April 23, 1907
Creator: Brooks, John L. M.
Partner: UNT Libraries Government Documents Department
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