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Dressing Block.

Description: Patent for Dressing Block for well drilling tools. A further aim of this invention is to provide a means for adjusting the tool and the anvil so that tools of different lengths and different sizes, may be readily accommodated and properly dressed.
Date: November 8, 1921
Creator: Montgomery, Gustavus A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plastic Base for Poles.

Description: Patent for a plastic base for poles which aims to lengthen the life of the average pole and enable the use of poles of shorter lengths.
Date: May 17, 1921
Creator: Hoyle, Millard F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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