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Automatic Quick-Acting Vise.
Patent for a quick-acting, easily operated vise "in which the jaws are automatically held closed upon the work until released." Its simple construction enables it to be inexpensively and efficiently manufactured.
Date:
August 14, 1917
Creator:
McCullough, Daniel B.
System:
The Portal to Texas History
Spring Wheel.
Patent for a spring wheel with a pneumatic tire that neither punctures nor becomes flat. The spring wheel construction has springs between the inner and outer rims.
Date:
August 10, 1920
Creator:
Horne, Henry M.
System:
The Portal to Texas History
Pulling Implement
Patent for a pulling device with a "rotatably supported winding shaft" and "means for imparting the requisite rotation" (lines 16-18).
Date:
August 14, 1917
Creator:
Badley, Drury E.
System:
The Portal to Texas History