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Tool Joint
Patent for a tool joint design.
Date:
April 15, 1919
Creator:
Fletcher, H. W.
System:
The Portal to Texas History
Sample-Taking Device.
Patent for a device that helps with sample collection at oil drilling sites. The tool is cylindrical and can be placed in the ground to help with sample collection. This patent includes examples of how the tool can be used and tool specifications.
Date:
April 15, 1919
Creator:
Church, Walter Lee
System:
The Portal to Texas History