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 Collection: Texas Patents
Adding-Machine.

Adding-Machine.

Date: August 27, 1895
Creator: McElyea, James L.
Description: Patent for an adding-machine meant to "add fixed amounts of money received or to calculate the number of days a laborer has worked or the number of fractions of days" (lines 14-17). Mounted keys have mechanisms that rotate a ratchet wheel or disk. "Secured to the shaft upon which this ratchet wheel or disk is mounted is a rate-indicator, consisting of a disk divided off into radial sections, and also divided by lines running parallel to the circumference of said disk, dividing the same up into sections, which indicate money advanced on pay-roll, addition column, total amount at a fixed rate, and the number of days worked by any workman" (lines 25-34).
Contributing Partner: UNT Libraries Government Documents Department
Adding-Machine.

Adding-Machine.

Date: February 12, 1884
Creator: Barmore, Albert King
Description: Patent for a new and improvement in adding-machines in which a mechanical wheel has teeth. " The object of the invention is to provide the means for adding columns of figures by machinery"(lines 13-15), with instruction and illustration
Contributing Partner: UNT Libraries Government Documents Department
Adding-Machine.

Adding-Machine.

Date: March 21, 1893
Creator: Brooks, Augustus J.
Description: Patent for an inexpensive, simple, easily operated, and improved registering machine that is meant to add numbers without mistakes. It uses revoluble number wheels and a spring-returned shaft among other materials.
Contributing Partner: UNT Libraries Government Documents Department
Adding-Machine

Adding-Machine

Date: June 7, 1892
Creator: Wright, Joseph W.
Description: Patent for "a simple, cheap, and efficient device of this character which may accomplish with facility and case all the purposes for which it is intended" (lines 13-16).
Contributing Partner: UNT Libraries Government Documents Department
Addressing-Machine.

Addressing-Machine.

Date: December 27, 1887
Creator: Eberhardt, Theophilus Charles
Description: Patent for an improved addressing machine, which will "paste, cut, and attach the slip simultaneously, or with one operation" (lines 26-27), with instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Adjustable Attachment for Freight-Car Doors.

Adjustable Attachment for Freight-Car Doors.

Date: December 28, 1886
Creator: Duzan, Thomas H.
Description: Patent for a mechanism that creates "an adjustable attachment for freight-car doors, for preventing sparks and other objectionable matter from getting into the cars, and means for operating the attachment that is adapted for use in securing the door in different positions of adjustment, and for connection with the body of the car by means of a seal-support, in order that the fixed adjustment of the door cannot be changed without breaking the seal" (lines 12-21).
Contributing Partner: UNT Libraries Government Documents Department
Adjustable Bench Hook.

Adjustable Bench Hook.

Date: July 22, 1884
Creator: Cooper, Harry
Description: Patent for a new and improved bench hook. This design "consists in a bench-hook constructed with a plate carrying a sliding bar, to which is adjustably secured a hook. The sliding bar and hook are locked in place by a clamp and cam attached to the plate, and the plate and its attachments are locked to the bench-front by a stationary lug attached to the plate, and a moveable lug attached to a lever pivoted to the said plate and locked in place by a cam, so that the said hook can be readily adjusted upward, downward, forward, and backward" (lines 20-30).
Contributing Partner: UNT Libraries Government Documents Department
Adjustable Bicycle-Rest.

Adjustable Bicycle-Rest.

Date: January 23, 1900
Creator: Wise, Harry
Description: Patent for a new and useful adjustable bicycle-rest, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Adjustable Book Support.

Adjustable Book Support.

Date: November 25, 1884
Creator: Johnson, William Oscar
Description: Patent for a new and improved book rest. This design consists "of an upright pivoted in a support or base, a sliding lower supporting cross-bar, an upper sliding supporting-bar, both bars having sockets upon their rear sides sliding upon the upright and provided with set-screws, and leaf-clamps consisting of a piece of spring doubled at one end to form slides sliding upon the arms of the upper cross-bar, forming curved yielding portions, forming transverse eyes at the other ends, having flat blocks hinged at the said eyes, and provided with thumb-pieces" (lines 72-83).
Contributing Partner: UNT Libraries Government Documents Department
Adjustable Cultivator-Tooth Seat.

Adjustable Cultivator-Tooth Seat.

Date: June 7, 1898
Creator: Shofield, James Drummond
Description: Patent for certain new and useful improvements in adjustable cultivator tooth seats, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department