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in creator/contributor: "Harmon, William Ellis"  
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Oil-Can

Description: Patent for an oil can that prevents flames from going beyond the spout of the can and blocks gases from coming out of the can while still allowing the oil to be easily poured out.
Date: June 18, 1907
Creator: Harmon, William Ellis & Goodpasture, Thomas Boisarth
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Draft Attachment.

Description: 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) … more
Date: February 26, 1895
Creator: Harmon, William Ellis & Garwood, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Draft Attachment for Doubletrees.

Description: 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.
Date: February 26, 1895
Creator: Harmon, William Ellis & Garwood, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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