UNT Libraries Government Documents Department - 9 Matching Results

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Telephone System.

Patent for a new telephone system to split party lines connected to a main line to keep private or personal discussions between some of the parties, including instructions and illustrations.

Date: June 23, 1914

Creator: Tucker, Albert R.

Patent for "a cheap and simple device of this nature wherein the projectile will be held in such manner as not to interfere with sighting the catapult and wherein derived will be held in place in such manner as will prevent their accidental displacement and will yet permit of ready removal when desired" (lines 9-17).

Date: June 4, 1901

Creator: Wilkins, Willie A.

Nut-Lock.

Patent for a nut-lock "to be used in connection with a vertical bolt" connecting the axles and wheels of a vehicle or a railroad car with the other parts of the vehicle or railroad car (lines 8-12). It also has "many other purposes" that are not detailed (line 13).

Date: June 3, 1902

Creator: Bolen, Brantle W.

Plow Bar and Regulating Lever

Patent for a plow bar and regulating lever. This invention is to improve regulating depth of plow.

Date: June 23, 1903

Creator: Horton, James L. & Bennett, Dosier A.

Embroidering Attachment for Sewing-Machines

Patent for embroidering arm attachment to be mounted on the needle-bar of a sewing machine with the embossing material passed through the needle eye so that it does not need to go through the presser-foot.

Date: June 12, 1906

Creator: Rodman, Rollin L.

Trace-Carrier.

Patent for improvements in trace-carriers in which it would “provide each with a buckle or similar means that can be attached to the back-band of a harness for horses. The purpose is to provide means to a trace-chain which may be readily inserted in the carrier to prevent from removal, either accidentally or otherwise, so long as the carrier remains in position for service.” (Lines 12-20) Illustration is included.

Date: June 23, 1891

Creator: Barton, Samuel Jones

Governor for Seed-Cotton-Handling Apparatus.

Patent for simple, efficient, and reliable "a governor for regulating the quantity of seed cotton which is delivered to one or more feeders or gins by a seed-cotton handling apparatus" (lines 13-16). The operator sets the amount of cotton being sent through the gin. The invention has a receiver of a cotton handling mechanism, another mechanism that cuts off the supply of cotton after a desired amount has passed, and the invention can easily be started again after the gin is emptied.

Date: June 19, 1894

Creator: Schulze, Andrew

Dog or Stop Device for Baling-Presses.

Patent for a simple, inexpensive, and durable stop-device or dog used in baling presses with a pressure-chamber in a plunger or traverser reciprocates. The invention operates automatically and retaines the material being pressed inside the pressure-chamber. The dog pivots on the side of the pressure-chamber and is enabled to move freely.

Date: June 19, 1894

Creator: Schulze, Andrew

Improvement in Brick-Molds.

Patent for improvement in brick-molds, with description and illustrations.

Date: June 8, 1875

Creator: Singer, Edgar C.