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Improvement in Gang-Plows.

Patent for "a novel means of hanging the gang of plows beneath the draft-frame, in combination with levers and link-connections, whereby the plows can be adjusted to run at any desired depth, and firmly held after the adjustment." (Lines 18-23) Includes instructions and illustrations.

Date: December 21, 1875

Creator: McCormick, John R.

Partner: UNT Libraries Government Documents Department

Device for Sheltering Animals.

Patent for a new and improved animal shelter. This design "relates to a device which may be adapted for use as a hen's nest, a dog-kennel, a stable for domestic animals, or for analogous purposes. The principle of construction prevalent in all these different adaptations for use of the device consists of certain improved means for automatically closing the door as the animal steps into a vertically-swinging compartment, and for automatically opening the door as the animal leaves said swinging c… more

Date: December 21, 1880

Creator: Austin, John Overton

Partner: UNT Libraries Government Documents Department

Calculator

Patent for a calculator which consists of semicircular device with movable pointers and number indexes printed on it that allows the pointers to be moved to different numbers to produce the answer to a math problem such as calculating the cost of goods sold by the pound in a store.

Date: December 21, 1909

Creator: Goss, George Wilson

Partner: UNT Libraries Government Documents Department

Door-Hanger.

Patent for a new and useful door hanger. This invention is to "provide a simple and inexpensive device so constructed as to avoid dismounting and at the same time enable a door, window, or an equivalent device to be operated with the minimum friction" (line 9-13).

Date: December 21, 1897

Creator: Masterson, Bernard W.

Partner: UNT Libraries Government Documents Department

Engine-Canopy for Motor-Vehicles.

Patent for an improved and cheaper engine canopy for motor vehicles, that "may be applied to any conventional auto-mobile without the necessity of structural change" (lines 20-22) including illustrations and instructions.

Date: December 21, 1915

Creator: Preston, Frank W.

Partner: UNT Libraries Government Documents Department

Lamp or Lantern.

Patent for a new and improved oil lamp. This design calls for transparent material (e.g., glass) to be installed on the top of the oil chamber, so one can better predict the fullness, which prevents overflowing. Additionally, a second opening to the side of the main opening allows the oil chamber to be safely refilled while already lit.

Date: December 21, 1880

Creator: Eason, Bolivar

Partner: UNT Libraries Government Documents Department

Spring Seat for Vehicles.

Patent for a new and improved spring seat for vehicles. This design calls for, "[a]s a means of attaching seats to vehicles, two frames, one connected to the body, the other to the seat, the upper bar of one and the lower bar of the other being connected by draw spiral springs, and the side bars of one sliding in loops upon side bars of the other" (lines 47-53).

Date: December 21, 1880

Creator: Smith, Amroy B.

Partner: UNT Libraries Government Documents Department

Power-Transmitting Device

Patent for improvements in power-transmitting devices: convert rotary movement into reciprocatory movement (lines 14 - 15); the speed of movement of the reciprocating member in one direction is greater than in the opposite directions (lines 20-24); and increased pull (line 30).

Date: December 21, 1920

Creator: Huffman, Orla L.

Partner: UNT Libraries Government Documents Department

Fishing-Tool

Patent for a fishing tool that is "light, and of simple construction... (line 37)." The fishing tool is also meant to be let down into well bores without the rods or tubing getting stuck and automatically locks.

Date: December 21, 1920

Creator: McMillian, John F.

Partner: UNT Libraries Government Documents Department

Silo.

Patent for new and various improvements in silos, the goal of which is to provide an invention that is "strong, durable, efficient and simple, and comparatively inexpensive to produce"(lines 23-25) including instructions and illustrations.

Date: December 21, 1915

Creator: Moad, John S.

Partner: UNT Libraries Government Documents Department

Automatic Measuring Machine

Patent for an automatic measuring machine. Illustration included.

Date: December 21, 1909

Creator: Whitten, Edgar, Jr. & Harrell, Attie Alfred

Partner: UNT Libraries Government Documents Department

Blacksmith's Tongs

Patent for blacksmith's tongs. Illustration included.

Date: December 21, 1909

Creator: Davis, William L.

Partner: UNT Libraries Government Documents Department

Bolt Lock for Railways

Patent for a new and useful improvements in bolt locks for railways. This invention is to "provide a simple, durable, and effective device of this class" (line 13-14).

Date: December 21, 1897

Creator: Herrin, Lemuel

Partner: UNT Libraries Government Documents Department

Book Guard

Patent for a book guard with an illustration.

Date: December 21, 1909

Creator: Boatright, John B.

Partner: UNT Libraries Government Documents Department

Churn

Patent for a churn

Date: December 21, 1909

Creator: Floyd, Ellis E.

Partner: UNT Libraries Government Documents Department

Automatic Train-Stop.

Patent for mechanism to automatically sound alarm and shut off steam when a train passes a danger point.

Date: December 21, 1915

Creator: Bulla, Melbern Bernie

Partner: UNT Libraries Government Documents Department

Corn-Planter.

Patent relating to "a novel corn-planter, and has for its object the production of a simple, durable, and efficient planting attachment which may be applied to an ordinary plow and which when so applied will automatically effect the distribution of corn or other grain at desired intervals" (lines 12-18).

Date: December 21, 1897

Creator: Ellis, William Wesley

Partner: UNT Libraries Government Documents Department

Composing and Typecasting Machine

Patent for a composing machine utilizing the general principles of the linotype and similar composing and typecasting machines. It is used to provide a more compact machine of that general character for commercial use.

Date: December 21, 1920

Creator: French, Morris & Miller, Monroe E.

Partner: UNT Libraries Government Documents Department

Clothes Clamp for Bedsteads

Patent for clothes clamp for bedsteads. Illustration included.

Date: December 21, 1909

Creator: Taylor, Fannie L.

Partner: UNT Libraries Government Documents Department

Ash-Pan for Locomotives

Patent for

Date: December 21, 1909

Creator: Gee, John Henry

Partner: UNT Libraries Government Documents Department

Apparatus for Molding Hollow Concrete Walls

Patent for an apparatus that is a mold for crafting hollow concrete walls. Illustration included.

Date: December 21, 1909

Creator: Nelson, William E.

Partner: UNT Libraries Government Documents Department

Barrel Swing for Store Counters

Patent for a barrel swing that allows the barrel to swing out from under the counter. Illustration included.

Date: December 21, 1909

Creator: Gimbal, Charles C.

Partner: UNT Libraries Government Documents Department

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