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Bit-Hoist

Description: Patent for easy removal of bits from drilling machines.
Date: February 11, 1919
Creator: Parrish, Benjamin Eugene & Stage, Solomon
Partner: UNT Libraries Government Documents Department

Casing Spear

Description: Patent for a casing spear, "to remove casing within a well or removing a tool which may be dropped within the casing," with accompanying illustrations of the patent.
Date: October 23, 1917
Creator: Wagner, Warren
Partner: UNT Libraries Government Documents Department

Bottle.

Description: Patent for "a bottle and stopper whereby the bottle can be filled in the ordinary manner, but after being sealed by the stopper of novel construction it cannot be refilled after once being emptied without breaking or fracturing the bottle." (Lines 12-18) Includes instructions and illustrations.
Date: August 31, 1897
Creator: Stallings, George V.
Partner: UNT Libraries Government Documents Department

Cement Block

Description: Patent for a cement block. This invention relates to building blocks made of artificial stone that are connected by tie rods. Illustration included.
Date: November 27, 1906
Creator: Woodiwiss, Jason, Matthew
Partner: UNT Libraries Government Documents Department

Bracket

Description: Patent for a shelf bracket which can support a shelf with only one bracket.
Date: April 27, 1909
Creator: Cockrum, George R.
Partner: UNT Libraries Government Documents Department

Automobile-Jack.

Description: Patent for an automobile jack designed to be attached to a beam embedded in a garage's concrete floor, with an added safety mechanism to prevent collapse. Including instructions and illustrations.
Date: October 15, 1918
Creator: Black, James
Partner: UNT Libraries Government Documents Department

Axle Lubricator.

Description: Patent for a new and improved axle-lubricator. This design consists in "[t]he combination, with the tube having the threaded outer end, of the cap threaded to close said end, and the shank or stem carrying the conical plug at its lower or inner end, and screw-threaded to work through a threaded perforation of the cap, a shoulder being provided on the stem or shank at the base of the threads, operating to cause the unscrewing of the cap by the continued turning of the shank or stem" (lines 80-89… more
Date: April 13, 1886
Creator: Hawkins, Andrew Jackson & Allen, Sam Henry
Partner: UNT Libraries Government Documents Department

Automatic Fan Combination Stand.

Description: Patent for a new and improved automatic-fan combination-stand. This design "relates to an improved stand or support for an automatic fan, which said stand shall be portable, so as to be conveniently set up wherever desired, and which shall contain various hooks, brackets, shelves, and other conveniences" (lines 17-22).
Date: November 28, 1882
Creator: McKeehan, Charles Houston
Partner: UNT Libraries Government Documents Department

Burner

Description: Patent for a hydrocarbon oil burner. Illustrations included.
Date: May 3, 1910
Creator: Butler, Albert C.
Partner: UNT Libraries Government Documents Department
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