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in creator/contributor: "Simpson, Louis"  
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Truck.

Description: Patent for trucks adapted to accommodate lumber, rails, or other materials of various lengths, to balance the load on the center wheels, requiring less power to move the truck.
Date: April 25, 1916
Creator: Simpson, Louis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Freight Gang-Plank.

Description: Patent for freight gang-planks embodying hinged sections which may be adjusted at any angle with relation to each other so that the upper section may be disposed on a horizontal plane for the purpose of allowing a loaded truck to come to rest and remain immovable until manual or mechanical power is applied to move it.
Date: July 3, 1917
Creator: Simpson, Louis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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