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Tool Joint.

Description: Patent for a new tool joint used in rotary drilling to connect the parts of a drill stem. The tool joint is not exclusive to drill stems and may be used in other applications.
Date: March 22, 1921
Creator: Kreiter, Richard F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Garbage-Crematory

Description: Patent for a garbage crematory which burns garbage by igniting the garbage without the use of other fuel.
Date: March 22, 1910
Creator: Thompson, James A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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