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Patent for a simply constructed device for setting the teeth of saws. Includes illustrations and descriptions of its parts and usage.

Date: January 3, 1871

Creator: Harris, Henry A.

Partner: UNT Libraries Government Documents Department

Patent for planter that allows grain to be platned in a straight line.

Date: January 16, 1917

Creator: Gruben, Edward J.

Partner: UNT Libraries Government Documents Department

Patent for a versatile seed dropping mechanism that retains the seed shells as they drop to prevent machine clogging and seed droppings.

Date: January 25, 1916

Creator: Grinstead, Albert N.

Partner: UNT Libraries Government Documents Department

Patent for a fan attachment for dental engines. Illustration included.

Date: January 3, 1911

Creator: Frisbie, Jonathan S.

Partner: UNT Libraries Government Documents Department

Patent for a new and useful improvements in bed-slates to provide a strong brace.

Date: January 4, 1898

Creator: Pickett, Mollie

Partner: UNT Libraries Government Documents Department