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in creator/contributor: "Simpson, I. E."  
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Grading-Machine.

Description: Patent for a grading machine, this particular patent is designed for the use in building roads.
Date: December 8, 1914
Creator: Blevins, Samuel W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piston-Head

Description: This patent relates to piston heads particularly designed for use in connection with a hydrocarbon engine. The purpose of this invention is to provide a novel form of a ball and socket connection between the piston rod and the piston head. The said connection is designed to be durable in construction , cheap to manufacture and easily applied.
Date: April 9, 1918
Creator: Collier, William Reid
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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