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Patent for improvements in the tools for repairing blow outs or punctures in parts of tire casings or shoes. Illustration is provided.

Date: August 3, 1915

Creator: Tingle, Claude

Partner: UNT Libraries Government Documents Department

Patent for a machine used primarily by pharmacists to divide medicinal powders. Illustrations included.

Date: August 1, 1911

Creator: Brown, Patrick H.

Partner: UNT Libraries Government Documents Department

Patent for an engine valve for air brake systems on trains, which governs the pressure of air released and keeps it steady.

Date: August 9, 1910

Creator: Dillander, John

Partner: UNT Libraries Government Documents Department

Patent for a fish-grapple device with parts "embodying prongs or hooks which will engage the fish and prevent its escape" (lines 16-17).

Date: August 3, 1915

Creator: Batla, Thomas, H.

Partner: UNT Libraries Government Documents Department