Resource Type

Automatic Quick-Acting Vise. (open access)

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. (open access)

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 (open access)

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