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Dipping-Vat.

Description: Patent for dipping vat used on live animals to remove insect infestation with a reduced risk of injury to the animal.
Date: October 18, 1919
Creator: Mullins, Thomas L.
Partner: UNT Libraries Government Documents Department

Sampling Device

Description: Patent for a machine that will remove samples from a well during drilling operations.
Date: October 21, 1919
Creator: Dodds, Redus D.
Partner: UNT Libraries Government Documents Department

Center Rail for Key-Actions.

Description: Patent for an easily adjustable, simple, and durable center rail for key actions in pianos which does not require chiseling holes.
Date: October 21, 1919
Creator: Swallow, Oscar L.
Partner: UNT Libraries Government Documents Department

Steering-Gear.

Description: Patent for a new and improved steering-gear. A simplistic and inexpensive design that will prevent the transfer of shocks to the steering wheel when traveling in a straight line.
Date: October 28, 1919
Creator: Scheble, Eugene Stiles
Partner: UNT Libraries Government Documents Department

Filter for Oil and Other Lubricants.

Description: Patent for improvements in a filter for oil and other lubricants. Designed for the purpose of cleansing oils, particularly waste oils.
Date: October 14, 1919
Creator: Schmidt, George C.
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Partner: UNT Libraries Government Documents Department

Trap

Description: Patent for an improvement on traps. This trap is primarily insect and pest control, meant for ants and flies.
Date: October 17, 1919
Creator: Miller, William B.
Partner: UNT Libraries Government Documents Department

Shock Absorber

Description: Patent for an improved shock absorber design to be used in motorized vehicles in order to prevent damage caused by sudden stops and jolts to the vehicle.
Date: October 4, 1919
Creator: Davis, Francis M.
Partner: UNT Libraries Government Documents Department

Air Pump

Description: Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date: October 28, 1919
Creator: Keating, Paul W.
Partner: UNT Libraries Government Documents Department

Machine for Buffing Inner Tubes and the Like.

Description: Patent for a more efficient and adjustable machine to buff inner tubes and other fabrics.
Date: October 21, 1919
Creator: Hibbs, Cassell D.
Partner: UNT Libraries Government Documents Department

Mechanism for Rotating Earth-Drill Bits.

Description: Patent for a mechanism for rotating earth-drill bits that introduces an up and down motion.
Date: October 7, 1919
Creator: Nippert, Worley
Partner: UNT Libraries Government Documents Department

Gun.

Description: Patent for an artillery gun which can be moved in any direction due to improvements in its base.
Date: October 14, 1919
Creator: Collier, William Reid
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a cultivator attachment that adjusts the beams to various distances apart.
Date: October 28, 1919
Creator: Kubenka, Otto E. & Janszen, August W.
Partner: UNT Libraries Government Documents Department

Change-Speed Mechanism for Tractor-Truck Motor-Vehicles

Description: Patent for a machine that can be used either as a truck for traveling over highways or as a tractor for farm work.
Date: October 28, 1919
Creator: Miller, William J.
Partner: UNT Libraries Government Documents Department

Tool Holder.

Description: Patent for a device to hold a tool with a beveled edge against an emery wheel for the purpose of sharpening. The tool holder can be adjusted and used for multiple tool types.
Date: October 7, 1919
Creator: Quillin, Alphonso L.
Partner: UNT Libraries Government Documents Department

Envelop

Description: Patent for envelopes, particularly for inter-office use, in which an envelope would have an improved means for indicating the designation of the envelope to any series of persons or locations. Additionally, the envelope is provided a series of spaces with a separatable or removable indicator adapted to be located in any said spaces to indicate the destination of the envelope.
Date: October 20, 1919
Creator: Crate, James S.
Partner: UNT Libraries Government Documents Department

Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
Partner: UNT Libraries Government Documents Department

Apparatus For Treating Petroleum.

Description: Patent for an apparatus that is used to treat petroleum and other heavy hydrocarbons in order to produce gasoline and other liquid fuels.
Date: October 28, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Partner: UNT Libraries Government Documents Department

Well-Cleaner.

Description: This invention relates to an improved well cleaner, and has for its principal object to provide a device of this kind adapted to be positioned in a well casing to direct a volume of air into the casing for cleaning the valves and straining elements thereof. A further object of the invention is to provide an automatic means for sealing the cleaner for holding the fluid within the well casing, against back pressure, during the cleaning operation. (Lines 8-19)
Date: October 18, 1919
Creator: Sargent, Lemuel H.
Partner: UNT Libraries Government Documents Department

Tool-Heater

Description: Patent for tool heaters "adapted to heat a soldering iron by gas" (lines 9-10) to increase the heat applied to the tool, including illustrations.
Date: October 21, 1919
Creator: Juergens, Ernest
Partner: UNT Libraries Government Documents Department

Tie-Spacer.

Description: Patent for improvement on tie-spacers when loaded on trucks for the process of creosoting ties. Allowing for treating fluid to flow between all sides of each tie when loaded, including illustrations.
Date: October 28, 1919
Creator: Sommerlatte, Joseph A.
Partner: UNT Libraries Government Documents Department

Draft-Equalizer.

Description: Patent for Draft Equalizer. Patent states this invention "relates to the new and useful improvements in draft-equalizers" (lines 10-11). Includes instructions and illustrations.
Date: October 7, 1919
Creator: Dudley, Thomas J. & Bryant, Marvin H.
Partner: UNT Libraries Government Documents Department

Automatic Gas Control for Gas Water-Heaters.

Description: Patent for an automatic control for instantaneous water heaters to control a supply of water and simultaneously an automatic supply of gas to the heater.
Date: October 7, 1919
Creator: Hamilton, Paul H.
Partner: UNT Libraries Government Documents Department
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