3 Matching Results

Results open in a new window/tab.

Boll-Weevil Exterminator (open access)

Boll-Weevil Exterminator

Patent for a boll weevil exterminator, which rids cotton plants and bolls of insects and exterminates them. Illustrations included.
Date: January 14, 1908
Creator: Watkins, George W.
System: The Portal to Texas History
Post Auger. (open access)

Post Auger.

Patent for a new and improved post auger. This design "has relation to that class of post-augers which consist of a number of concavo-convex cutting blades secured upon the lower end of a shaft having a cross-handle at its upper end, and provided with means for expanding the said blades for the purpose of boring holes of different sizes; and it consists in the detailed construction and combination of parts of the same" (lines 19-27).
Date: August 14, 1883
Creator: Miles, John E.
System: The Portal to Texas History
Gate. (open access)

Gate.

Patent for a sliding gate that closes automatically when the opening and closing mechanism is released.
Date: February 14, 1911
Creator: Otto, Paul
System: The Portal to Texas History