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

Description: Patent for "wrenches; and it consists in the improved means for operating the movable jaw thereof." (lines 12-13) including illustrations.
Date: July 1, 1902
Creator: Boozer, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Interlocking-Bar Grating for Jails.

Description: Patent for gratings used in jails. "In these structures as ordinarily made upright and horizontal bars are provided which are located at right angles to each other, these bars being necessarily secured together at their points of intersection to prevent their being spread apart" (lines 11-16).
Date: November 25, 1902
Creator: Youngblood, David Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Well-Boring Machine.

Description: Patent for improved mechanism of well-boring machine in which it “composed of as few parts as possible, which will effectively grip and rotate a drill-rod or pipe containing coupling and reducing - nipples, or composed of length or sections of varying diameters without impeding the end movement or deranging the central position of said drill-rod or pipe, and without delaying the progress of the machine, to adjust or change any part or parts thereof, also to improve the means for gripping the dr… more
Date: June 17, 1902
Creator: Woods, Frank J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Cracker.

Description: Patent for improvements in nut-cracker by using “a pair of bent handle-limbs pivoted together near the bends of the limbs, a hammer-block rigidly secured on the opposite end of each handle-limb; each hammer-block having a cavity, these cavities being formed in opposed ends of the hammer-blocks; a handhold in each handle-limb, and a guide-piece having parallel members affixed by their ends on one of the handle-limbs, and loosely embracing the other handle-limbs.” (P. 2, lines 42-51.) Illustratio… more
Date: April 1, 1902
Creator: Dickey, William V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Auger.

Description: Patent for a new auger designed "to provide a construction in which the parts may be adjusted to cut angular holes entirely through a body, and also to cut angular countersinks concentric with cylindrical openings, such as are made for the reception of the square heads of bolts lag screws, &c.," (lines 10-16), which includes illustrations and instructions.
Date: April 29, 1902
Creator: Bundy, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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