UNT Libraries Government Documents Department - 5 Matching Results

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Casing Spear: Patent for casing spears. This invention is designed for pulling well tubes or casings that have broken off out of the well. Illustration included.
Fertilizer Distributer: Patent for a fertilizer distributer. Illustration included.
Railway Cross-Tie.: Patent for a railway cross-tie with concrete and metal parts, which is adjustable to different gages.
Supporting Device for Umbrellas.: Patent for a wearable umbrella holder, which holds the umbrella on the back and over the person's head to allow their hands to be free.
Tire-Tread Chain for Automobile-Wheels, &c.: Patent for a tire chain for automobiles to prevent skidding and help keep the tire in better shape on rough roads.