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Culvert.

Description: Patent for metal road culvert improvements. Light weight, but sturdy, interlocking metal sheets are used. They can be stacked for cheaper and easier shipping. The culvert allows large amounts of water to flow through.
Date: April 22, 1913
Creator: Youngblood, David Franklin
Partner: UNT Libraries Government Documents Department

Calculating-Machine.

Description: Patent for an improvement to mechanical calculators by providing the "means for facilitating the addition of successive numbers of the same or different denominations, and also for subtracting and multiplying the same by substantially the means employed in adding" (lines 10-14). It includes a written explanation and illustrations.
Date: April 17, 1894
Creator: Stallard, Sherman R.
Partner: UNT Libraries Government Documents Department

Oil Well Drill.

Description: Patent for a new rotary oil drill with improvements to anchor the drill-pipe, improve oil flow, and prevent blow-outs of the drill-pipe.
Date: July 3, 1903
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Mold.

Description: Patent for a mold for viscous materials that are meant to be hardened in the mold or afterward. It is designed to be easily removed from the cast without damaging it.
Date: August 13, 1901
Creator: Parker, William Sink
Partner: UNT Libraries Government Documents Department

PINLESS CLOTHES-LINE.

Description: Patent for an inexpensive and easy to store clothesline that doesn't use clips, which are damaging to clothes.
Date: August 26, 1913
Creator: Kennedy, William Cambellos
Partner: UNT Libraries Government Documents Department

Peanut Picker and Pea Huller.

Description: Patent for a new and improved Peanut Picker and Pea Huller, which picks peanuts from the vines and removes them without damaging the peanuts through beating or flailing. The invention also operates at a minimum amount of power while discharging the peanuts or peas free of dust.
Date: May 13, 1913
Creator: Berry, William C.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a new "machine for chopping surplus cotton or corn out of the rows or drills, leaving it in hills at the desired distance apart" (lines 8-11) including instructions and illustrations.
Date: March 23, 1886
Creator: Farley, John C.
Partner: UNT Libraries Government Documents Department

Water Elevator and Carrier.

Description: Patent for a water elevator and carrier that is designed to quickly and efficiently transport water from a well, spring, or cistern to the operator. A bucket can be quickly transported to the well, spring, or cistern and be filled also.
Date: August 11, 1896
Creator: Wilkerson, Thomas D.
Partner: UNT Libraries Government Documents Department

Electric Switch.

Description: Patent for an electric switch meant for the Edison three-wire system. It provides "means whereby the translating devices on either side of the middle wire may be supplied with electricity to the exclusion of those on the opposite side, the return-current from said translating devices being transmitted by way of the middle wire" (lines 11-16).
Date: November 12, 1895
Creator: Mottram, William T. M.
Partner: UNT Libraries Government Documents Department

Cotton-Cleaner.

Description: Patent for a cotton-cleaner that has the flue leading from the gin to the condenser. It is an improvement previously granted to the inventor (No. 506,134), where "dust-laden air will be effectually prevented from passing through the cleaning drum of the cleaner and mingling again with the cleaned cotton which is fed to the condenser" (lines 16-20).
Date: December 4, 1894
Creator: Rembert, Henry
Partner: UNT Libraries Government Documents Department

Well-Drilling Apparatus.

Description: Patent for a well-drilling apparatus that easily attaches drill-bits to the ends of drill-tubes without removing the tubes from the well. It is meant for Artesian well-boring machines.
Date: April 9, 1895
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Floor-Clamp.

Description: Patent for a simple and inexpensive floor-clamp that aids in laying floors so that the floor is laid uniformly and has a good joint. This prevents the floors from warping or curving.
Date: October 18, 1892
Creator: Zauner, Alexander
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow that improves on turning plows. The improvement turns soil completely during operation, through a newly designed moldboard.
Date: October 10, 1893
Creator: Kelly, George A.
Partner: UNT Libraries Government Documents Department