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Lawn-Mower.

Description: Patent for lawn mower with special stationary blades; designed to improve the operation of the rotary blades with which the stationary blades come into contact, thus "insuring an easy running, and a perfectly clean and smooth shearing of the grass, and prevent any shock, grinding or clicking, when the contact is made" (lines 8-11).
Date: July 21, 1914
Creator: Clark, Josepsh Chester
Partner: UNT Libraries Government Documents Department

Powder Blower

Description: Patent for a new and improved powder blower used to insert powder medicine into the vagina, including illustrations and instructions.
Date: April 1, 1913
Creator: Woodward, Mortimer Lee
Partner: UNT Libraries Government Documents Department

Cotter-Pin Puller

Description: Patent for cottor-pin puller that is useful to pull cotter pins that are secured in shafts, fly wheels or any other devices without bending or twisting or damaging them.
Date: October 31, 1916
Creator: Hayden, Jefferson B.
Partner: UNT Libraries Government Documents Department

Tank-Valve.

Description: Patent for tank-valves in which “a valve may be readily detached for renewal or repairs and adaptable without material change of structure to any of the various forms and structures of tanks manufactured.” (Lines 18-22.) Illustration is included.
Date: January 3, 1905
Creator: Burchett, Edward Lee
Partner: UNT Libraries Government Documents Department

Wheel

Description: Patent for a vehicle wheel with a rigid frame and a hub that has radical range of motion.
Date: April 7, 1903
Creator: Lasswell, William H.
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a nut wrench with a sliding jaw.
Date: January 24, 1911
Creator: Mansfield, Charles L. & Matthews, Robert E.
Partner: UNT Libraries Government Documents Department