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Evaporative Cooler.

Description: Patent for an evaporative cooler/refrigerator that is cooled by the evaporation of water with ventilating tubes to maintain the air condition in shelves. Water is adapted to move through a "cloth, flowing downwardly therethrough and being evaporated therefrom to thereby effectually cool the articles disposed within the refrigerator" (lines 28-31). This patent includes illustrations
Date: March 10, 1914
Creator: Henderson, Thomas A.
Partner: UNT Libraries Government Documents Department

Trunk-Strap.

Description: Patent for an "efficient and inexpensive" (lines 13-14) trunk strap, including instructions and illustration. The strap is comprised of adjustable sections, the free ends of which hook into angular plates on the bottom of the trunk.
Date: March 28, 1916
Creator: Hall, James T.
Partner: UNT Libraries Government Documents Department

Wave-Motor.

Description: Patent for a new and useful wave motor, including instructions and illustrations.
Date: March 27, 1900
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Wave-Motor.

Description: Patent for a wave motor that gathers and stores power from the full force of the waves in their rise and fall. The motor operates a drive shaft.
Date: March 6, 1894
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Valve Gear For Pneumatic Cotton-Feeders.

Description: Patent for a new and improved valve gear for pneumatic cotton feeders, including instructions and illustrations.
Date: March 27, 1900
Creator: Williams, George W.
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for an improved tractor where the "propelling force is delivered through traction blocks...(lines 11-12)."
Date: March 22, 1921
Creator: Aerl, Van Vivian
Partner: UNT Libraries Government Documents Department

Water Distilling Apparatus

Description: Patent for a water distilling apparatus. This invention is designed for condensing steam into distilled water. Additionally, the design is meant to separate empyreumatic gases from the water vapor during the distillation process. Illustration included.
Date: March 5, 1907
Creator: Lazenby, Robert S. & Lazenby, Henry C.
Partner: UNT Libraries Government Documents Department

Touch Regulating Attachment For Pianos

Description: Patent for a touch regulating attachment for pianos. This invention regulates the touch of the instrument to effect the tension or stiffness of the keys. Illustration included.
Date: March 29, 1904
Creator: Harriss, Langdon & Kendall, William H.
Partner: UNT Libraries Government Documents Department

Trolley-Pole.

Description: Patent for a trolley pole, which attaches easily to the wire and can be placed on it by the operator without him leaving his station on the trolley.
Date: March 16, 1909
Creator: Barr, George T., Sr.
Partner: UNT Libraries Government Documents Department

Package-Tie.

Description: Patent for a tie that fastens the ends of a string together for the purpose of securely wrapping packages, including instructions and illustrations.
Date: March 23, 1915
Creator: Forsgard, Edward F.
Partner: UNT Libraries Government Documents Department

Oil Can.

Description: Patent for a new and improved oil can. This design "consists in the combination, with an oil-can, of a wire passing loosely through the nozzle and into a tube secured on the bottom of the can within the said can. The outer end of the wire is curved, and part of the wire is finely grooved or roughened" (lines 13-18).
Date: March 27, 1883
Creator: Campbell, James A.
Partner: UNT Libraries Government Documents Department

Gun-Stock.

Description: Patent for an improved wooden stock for firearms which combines maximum lightness and strength, may be produced at reduced cost, and is adapted for convenient and advantageous manipulation for defensive purposes.
Date: March 27, 1906
Creator: Cole, William F.
Partner: UNT Libraries Government Documents Department

Gun-Barrel.

Description: Patent for improvement in small firearms. The gun combines a cylindrical breech and with an elliptical bore in order to increase the projectile’s impact and stabilize its trajectory. The invention uses an ordinary ball cartridge, improving upon an earlier patent by the inventor. Detailed explanation and illustrations included.
Date: March 4, 1902
Creator: Cole, William F.
Partner: UNT Libraries Government Documents Department

Type-Writer Attachment

Description: Patent for a type-writer attachment.
Date: March 31, 1903
Creator: King, William V.
Partner: UNT Libraries Government Documents Department

End Cap, Tie, and Seal for Cylindrical Cotton-Bales.

Description: Patent for an end cap, tie, and seal for cylindrical cotton-bales. The cap has a flat end with cylindrical edges and a draw wire in its hem. It extends nearly to the ends of the bale, and the edges go over the ends of the bale.
Date: March 12, 1895
Creator: Campbell, Louis Wilbur
Partner: UNT Libraries Government Documents Department

Fire Clay Heater.

Description: Patent for a new and improved fire-clay heater. This design "consists in an improved fire-log burner for oil or other fluid or gaseous inflammable substances, said burner being in form of a tube or hollow cylinder, and made of 'fire-clay,' and provided with numerous jet or burner passages in its periphery, and filled with comminuted asbestus or other analogous absorbent or capillary fluid-conducting fire-proof material . . . The object of [the] invention is to provide a practically-operating an… more
Date: March 5, 1889
Creator: White, George W.
Partner: UNT Libraries Government Documents Department

Seed-Planter.

Description: Patent for certain new and useful improvements in seed planters, including instructions and illustrations.
Date: March 6, 1900
Creator: Ingram, Charles W.
Partner: UNT Libraries Government Documents Department

Rivet Setting and Displacing Tool

Description: Patent for a tool for "setting new rivets and displacing defective rivets from buggy bow-sockets" (line 9-10), and it is aimed to be easy to use with efficiency and reliability. The tool is constructed to be "simple, strong, durable and inexpensive construction" (line 16-18).
Date: March 2, 1915
Creator: Thrasher, John W.
Partner: UNT Libraries Government Documents Department

Switch Mechanism

Description: Patent for a switch mechanism, which is a improvement for the switch throwing mechanisms used for street railway systems. "The switch is set by means of tripping devices by the car and under control of the motorman."
Date: March 2, 1915
Creator: Yoakum, Hugh D.
Partner: UNT Libraries Government Documents Department

Rotary Boring Machine.

Description: Patent for a rotary boring machine, which automatically sends out of the machine mud it digs up and can have the rotary pinion easily removed.
Date: March 31, 1908
Creator: Wiggs, James A., Jr.
Partner: UNT Libraries Government Documents Department

Rotary Explosive-Engine.

Description: Patent for a rotary explosive engine which minimizes the waste of power.
Date: March 31, 1908
Creator: Walker, James C.
Partner: UNT Libraries Government Documents Department

Fluid Burner Fire Log.

Description: Patent for a new and improved fluid-burner fire-log. This design consists "in combination, a perforated tubular body, metallic removable heads, a fluid-supplying tube, a perforated air-induction distributing tie-tube provided with screw threads and nuts on its ends outside the heads, and a comminuted or disintegrated fire-proof filling surrounding the perforated portion of the air-tube and occupying the chamber of the body" (lines 25-32).
Date: March 5, 1889
Creator: White, George W.
Partner: UNT Libraries Government Documents Department

Ratchet Wrench.

Description: Patent for a new and improved ratchet wrench. This design "relates to improvements in ratchet-wrenches wherein a handle carrying a rotating head having jaws to grasp a nut is provided with pivoted pawls, so that by oscillating the handle the pawls serve to rotate the head and screw or unscrew the nut, bolt, or other device" (lines 8-14).
Date: March 25, 1884
Creator: Osborn, Adelbert E.
Partner: UNT Libraries Government Documents Department

Mattress-Filling Machine.

Description: Patent for certain new and useful improvements in a combined extensible and multiple machine for making mattresses and the like, including instructions and illustrations.
Date: March 27, 1900
Creator: White, Charles Willis
Partner: UNT Libraries Government Documents Department
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