Resource Type
Counties
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Wrench.
Patent for a wrench that can hold round-headed fastening elements (bolts) so as to prevent from turning in the same direction. The wrench can be held while the jaws grip and hold the round heads of bolts.
Date:
October 23, 1917
Creator:
Wright, John G.
System:
The Portal to Texas History
Plow.
Patent for a reinforced plow shoe that eliminates frictional wear on the landside bar and reduces wear on the landside plate of the plow.
Date:
October 16, 1917
Creator:
Alston, William H.
System:
The Portal to Texas History
Hay-Press.
Patent for hay-presses relating to the arraignment and and construction of the means for operating the plunger of the press whereby reciprocation of the plunger may be secured by the revolution of an arm or lever whereby a single or double reciprocation of the plunger during a single revolution of the arm or lever may be secured as desired.
Date:
October 9, 1917
Creator:
Dudley, John Z.
System:
The Portal to Texas History