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Grader-Blade.

Description: Patent for a new form of grader blade for road graders and ditchers for road and ditch work, with illustration.
Date: December 4, 1917
Creator: Wendell, Benjamin J.
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for improvement in valves, by means of assuring a tight operating stem. The stem is comprised of two movable sections incorporated into a design purposed to prevent leakage by the stem. Additional mentions include acknowledged awareness of susceptibility to change and modification, convenience and facility, and simplicity as related to cost.
Date: December 24, 1918
Creator: Pratt, Robert L.
Partner: UNT Libraries Government Documents Department

Weeder

Description: Patent for a weeder that breaks up the ground as well as cutting weeds.
Date: December 31, 1912
Creator: Wind, Iver Ebbesen
Partner: UNT Libraries Government Documents Department

Seed-Planter

Description: Patent for a seed planter. Illustrations included.
Date: December 3, 1907
Creator: McGuire, Daniel Harry
Partner: UNT Libraries Government Documents Department

Hay Rake

Description: Patent for "new and useful improvements in Hay-Rakes." (line 5-6). "Improved means for governing the dumping movements of the rake." (lines 11-12).
Date: December 27, 1921
Creator: Mottier, Walter F.
Partner: UNT Libraries Government Documents Department

Casing-Point

Description: Patent for an improved casing point with improvements in the strainer or screen frame for wells.
Date: December 9, 1902
Creator: Lindstrom, Conrad
Partner: UNT Libraries Government Documents Department
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