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Fire-Extinguishing Apparatus for Wells.

Description: Patent for a fire extinguishing apparatus for oil wells, which diverts the oil coming out of the well into a pipe where the the lack of air puts out any burning oil and which can be put in position from a safe distance from the fire.
Date: January 19, 1909
Creator: Layne, Mahlon E.
Partner: UNT Libraries Government Documents Department

Listing-Machine.

Description: Patent for certain new and useful improvements in listing machines, including instructions and illustrations.
Date: September 19, 1899
Creator: Blanchard, William R.; Matthews, Lafyette & Watkins, Cisero
Partner: UNT Libraries Government Documents Department

Sewing Device

Description: Patent for a sewing device relating to the sewing of bags. This invention consists of a helical needle for drawing stitches without having to twist or turn the sewing device. Illustration included.
Date: March 19, 1907
Creator: Ascue, Elbert & Crank, R. H.
Partner: UNT Libraries Government Documents Department

Drill

Description: Patent for a drill used for rotary drilling. Illustrations included.
Date: November 19, 1912
Creator: Sullivan, James C.
Partner: UNT Libraries Government Documents Department

Milk-Cooler.

Description: Patent for certain new and useful improvements in milk coolers, including instructions and illustrations.
Date: September 19, 1899
Creator: Cowan, Mark L.
Partner: UNT Libraries Government Documents Department

Swivel Connection

Description: Patent for a swivel connection for pipe joints which does not require packing and allows each pipe to turn independently of the other.
Date: October 19, 1909
Creator: Guild, George
Partner: UNT Libraries Government Documents Department

Motor-Driven Impliment

Description: Patent for a motor-driven farming tool that can be used as a cultivator, planter, or plow. Illustrations included.
Date: November 19, 1912
Creator: Horn, Lafayette
Partner: UNT Libraries Government Documents Department

Compressor.

Description: Patent for a refrigerating machine compressor, which compresses more gas, cools the compressor with the incoming gas, and uses excess heat to dry the gas coming in.
Date: April 19, 1910
Creator: Mayhew, John Daugherty
Partner: UNT Libraries Government Documents Department

Mailing-Galley.

Description: Patent for a mailing galley for cleaning type, which allows the cleaning fluid to drain but keeps the type in the galley.
Date: April 19, 1910
Creator: Zeiske, Richard E.
Partner: UNT Libraries Government Documents Department

Combined Rubber Dam and Tooth Backing Punch

Description: Patent for a combined rubber dam and tooth-backing punch. "This invention relates to new and useful improvement in dental instruments and more particularly it has references to a punch for forming holes accurately in the backing which is used on teeth in construction of bridges, plates, and cognate work" (line 12-17). Illustration included.
Date: May 19, 1908
Creator: Bell, Harry M.
Partner: UNT Libraries Government Documents Department

Apparatus for Treating Ankylosis of the Knee

Description: Patent for an apparatus for treating knee ankylosis that is ready to use at a moments notice "without unnecessary or nervous shock to the invalid to apply the requisite heat, extension, and flexion to an afflicted part to render it supple and restore to its natural functions". (lines 11-15).
Date: September 19, 1905
Creator: Norwood, Robert R.
Partner: UNT Libraries Government Documents Department