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Oil-Converting Apparatus.

Description: Patent for an apparatus that can be built at moderate cost, which will enable a high rate of commercially efficient work to reduce "the specific gravity of various grades of hyrdo-carbon oils, especially those of a semi-refined character" (lines 22 - 24).
Date: October 28, 1919
Creator: Adams, Joseph H.
Partner: UNT Libraries Government Documents Department

Envelope or Bag Machine

Description: Patent for a machine "for making envelopes, paper bags, and the like wherein the blank which is to form the envelope or bag is automatically fed into the machine at its receiving end by a suitable feeder and is folded and gummed on its way through the machine, being finally delivered in a marketable condition at the delivery end of the machine" (lines 10-17).
Date: June 24, 1890
Creator: Clarke, George R.
Partner: UNT Libraries Government Documents Department

Engraving-machine.

Description: Patent for improvements to an engraving machine. Illustrations included.
Date: July 1, 1902
Creator: Crane, Walter E.
Partner: UNT Libraries Government Documents Department

Fiber-Separating Machine.

Description: Patent for a new and improved fiber separating machine "in which the entire cleaning or separating of the fibers from the plant stock can be done in one operation" (lines 10-13).
Date: May 5, 1914
Creator: Parks, Michael Edward
Partner: UNT Libraries Government Documents Department

Self Locking Rail Chair.

Description: Patent for self locking rail chair. This chair can be easily added to older rail lines for passengers' comfort.
Date: January 26, 1915
Creator: Liebmann, August G.
Partner: UNT Libraries Government Documents Department

Road Service and Preservative

Description: Patent for improved surface, repairs, and preservation of roads.
Date: April 8, 1913
Creator: Wardell, Henry R.
Partner: UNT Libraries Government Documents Department

Spring-Washer for Piano-Flanges.

Description: Patent for a spring washer for piano flanges that prevents the flanges from becoming loose over time.
Date: December 5, 1911
Creator: Mayor, Enoch Allen
Partner: UNT Libraries Government Documents Department

Wick Material (Illinois Patent).

Description: Patent for wick material, "composed of raw fibrous matter in layers or slivers in adhesive substance" (lines 16-17).
Date: July 1, 1890
Creator: Chapin, Myron H.
Partner: UNT Libraries Government Documents Department

Fan and Motoro Therefor.

Description: Patent for a motor-propelled fan that can attach to any support, especially beds steads and other furniture. The motor is simple and can be easily manipulated.
Date: May 9, 1893
Creator: Sneckner, George A. & Roth, Charles E.
Partner: UNT Libraries Government Documents Department

Seeding-Machine

Description: Patent for improvements to the hoe of the seeding machine "and attendant parts, and particularly to the means for guiding and adjusting the hoe and for guiding and adjusting the following-wheel" (lines 17-19).
Date: November 8, 1892
Creator: Kirkpatrick, George W. & Ralston, James B.
Partner: UNT Libraries Government Documents Department

Pyrotechnic Device.

Description: Patent for a firework called a crazy cracker, which prevents accidental ignition from friction by covering the firework in a wood pulp covering.
Date: November 3, 1908
Creator: Graber, Charles F.
Partner: UNT Libraries Government Documents Department

Needle for Graphophones and the Like.

Description: Patent for a gramophone needle that produces better sound due to allowing for vibrations and can be used longer by producing a a sharpened point on one side while playing that can be used the next time by turning over the needle.
Date: April 9, 1907
Creator: Petmecky, Fred
Partner: UNT Libraries Government Documents Department

Mold for Typographical Casting-Machines.

Description: Patent for a mold for typographical casting machines which may be altered to produce slugs of different sizes.
Date: April 7, 1914
Creator: Diaz, Pascual M.
Partner: UNT Libraries Government Documents Department

Method of Burning Finely-Divided Fuel.

Description: Patent for a combustion apparatus used in-conjunction with a fuel-burning furnace. The apparatus is a rotating device that rotates in a one-directional whirling motion, which imparts finely-divided fuel evenly to ensure a uniform mixture with air for a continuous combustion.
Date: unknown
Creator: Irish, David J.
Partner: UNT Libraries Government Documents Department

Opera-Chair.

Description: Patent for opera chairs that can be used in audience halls. It is mentioned as seats that are rotatable with foldable arms providing enough space for the exit.
Date: November 25, 1902
Creator: Wilkinson, John A.
Partner: UNT Libraries Government Documents Department

Discharge Mechanism for Harvesters

Description: Patent for the binder-deck of harvesters "and it consists, broadly, of a flexible deck having its lateral edges fixed and its middle portion hinged at one edge and free at the other, and means for automatically lowering the latter when the bundle of grain is to be discharged in order that the discharge may be facilitated" (lines 11-17).
Date: October 25, 1892
Creator: Stroud, Wiley N. & Corey, Rufus H.
Partner: UNT Libraries Government Documents Department
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