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Knockdown Frame
Patent for improvements to the knockdown frame for easy setup and take down and for supporting a block and tackle. This invention also provides a device for locking the fall rope of a block and tackle after the load is raised.
Date:
July 14, 1914
Creator:
Padgett, Harry H. & Bookout, Louis L.
System:
The Portal to Texas History
Detachable-Blade-Connecting Device For Tools.
Patent for detachable blade connecting device for tools, the importance of which lies in the fact that this tool provides "simple and efficient means for detachably supporting interchangeable blades which may be quickly removed and replaced" (lines 16-19).
Date:
July 28, 1914
Creator:
Grimes, John Willis
System:
The Portal to Texas History