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Animal Shears.
Patent for new and improved animal shears. This design calls for a spring with eyes at the ends so that the handles of individual blades may be inserted through them. Then, nuts fasten the individual blades to the spring, which makes sharpening easier and breakage less likely.
Date:
February 22, 1881
Creator:
Benavides, Cristobal & Arthur, Joshua P.
System:
The Portal to Texas History
DERAILER
This is a patent for a railway Derailer. This new derailer is less expensive, easier to manufacture, and will be an improvement over older models. For example, it is easier to attach to the rail track and more efficient at stopping railroad collisions.
Date:
April 22, 1919
Creator:
Gravis, James. C
System:
The Portal to Texas History