Patent for a new and improved harrow-tooth apparatus, which is attached to a tractor during farming. It will not injure the growing plants while still managing to break the crust of the furrow on each side of the row of plants, thus the improvement to the existing machinery allows the furrow crusts to be broken more effectually.
Patent for windmill attachment to improve the construction allowing windmills to function without a sufficient amount of wind through the use of pumps and rods, including illustrations.
This dialog allows you to filter your current search.
Each of the Months listed note their name and the number of records that will be limited down to if you choose that option.
This dialog allows you to filter your current search.
Each of the Days listed note their name and the number of records that will be limited down to if you choose that option.