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Swingletree Clip (open access)

Swingletree Clip

Patent for providing an improved form of swingletree clip which is simple in construction, may be cheaply made and in which the eye which connects the hook to the clips swiveled so that the hook may rotate and thus there will be no change of disengagement between the draft connections and the swingletree.
Date: August 14, 1917
Creator: Leasman, John D.
System: The Portal to Texas History
Wire-Tightener (open access)

Wire-Tightener

Patent for "a simple, inexpensive, and efficient device adapted to enable the slack of a wire to be readily taken up at a point between the posts and capable of enabling a wire to be readily stretched to the desired tension" (lines 12-17).
Date: May 14, 1901
Creator: May, Robert B.
System: The Portal to Texas History