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Boll Weevil Exterminator
Patent for a boll weevil exterminator. Illustration included.
Date:
August 17, 1909
Creator:
Evans, James W. & Banks, Jessie B.
System:
The Portal to Texas History
Casing Spear
Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Date:
August 25, 1908
Creator:
Carroll, Monroe W. & Johnston, H. G.
System:
The Portal to Texas History
Oil-Purifier
Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).
Date:
August 13, 1901
Creator:
Carter, George Fitzhugh
System:
The Portal to Texas History
Wind Stacker on Grain Separators.
Patent for an improvement in a pneumatic, wind-powered stacker for threshing machines, preventing straw or chaff from entering into the stacker.
Date:
August 14, 1906
Creator:
Cumpston, Frederick Bernard
System:
The Portal to Texas History