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in creator/contributor: "Ackman, George, Jr."  
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Valve

Description: Patent for improvement to a valve design, with illustrations.
Date: January 8, 1907
Creator: Pinkerton, Henry S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Joint.

Description: Patent for a new rail joint to be secured to a rail having "the lower portion of its web and its base flange terminate a short distance beyond the end of the rail" (lines 28-30), including illustrations.
Date: July 8, 1913
Creator: Reed, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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