8 Matching Results

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in subjects: "Science and Technology - Tools"  
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Wrench.

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

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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Harvester

Description: Patent for a cotton harvester that aides in picking the most difficult part of cotton to pick by hand. Includes instruction and illustrations.
Date: January 30, 1917
Creator: Ford, James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Gearing

Description: Patent for improvements in gearing, "especially adapted for use in connection with wind mills and other devices" (lines 9-11) including illustrations.
Date: April 11, 1916
Creator: Wiggins, Hundley
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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