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Boll-Weevil Exterminator
Patent for removing dead bolls, insects and other parasites from growing plants.
Date:
February 26, 1918
Creator:
Harper, William E.
System:
The Portal to Texas History
Pipe Lifting and Lowering Jack.
Patent for a pipe lifting and lowering jack that will hold pipes at various positions in wells.
Date:
February 27, 1912
Creator:
Smith, Thomas Monroe
System:
The Portal to Texas History