Patent for "an improved construction for draft attachments whereby we may dispense with the action of the ordinary doubletree or evener and throw the draft of each animal directly upon the axle-clips or fixed point of attachment on its side of the axle, thereby causing the draft of each animal to be independent of the other and avoid the tendency of the stronger, or in starting the quicker animal, pulling the weaker or slower animal backward and to one side of the line of draft." (Lines 14-25) Includes instructions and illustrations.

Patent for "a draft attachment which shall prevent the swaying of the pole or tongue sidewise, and cause the draft of the animals to be independent of each other." (Lines 19-23) Includes instructions and illustrations.