UNT Libraries Government Documents Department - 18,569 Matching Results

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Dirigible Headlight Construction for Automobiles.

Description: Patent for improvements in dirigible headlight constructions for automobiles. Two major useful improments are mentioned: a) a headlight that is constructed so that when a car turns, the headlight on the turning side of the car will alone be turned in the same direction and b) a headlight that is constructed so that the driver can manually turn either headlight, allowing the headlights to act as search lights if necessary.
Date: November 7, 1922
Creator: Ross, Maxwell

Concrete Wall Mold.

Description: Patent for "a concrete wall mold which is so constructed as to produce a very strong wall having vertically extended channels which form ribs materially reinforcing the structure" (lines 10-14)
Date: June 11, 1920
Creator: Porter, Charles S.

Automobile-Signal.

Description: Patent for turn signal improvements with an aim to improve visibility of signal and ease of replacement with the goal of communicating vehicular movement and reducing accidents.
Date: November 15, 1921
Creator: Squier, William Ernest

Cross-Roller Bit.

Description: Patent for a certain new and useful improvement in cross-roller bits. Invention relates to "improvements in rotary boring drills for use in drilling wells for water, oil or gas and has particular reference to drills of the so called cross roller type for use in hard formation."
Date: November 4, 1919
Creator: Hughes, Howard R.

Display or Advertising Device.

Description: Patent for a dimple, durable display or advertising device "which may be easily and conveniently used for displaying or exposing an advertising sign in a manner to attract attention to the same" (lines 14-17), including instructions and illustrations.
Date: May 14, 1918
Creator: Fox, William N.

Chuck.

Description: Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.
Date: December 27, 1921
Creator: Castanie, William

Automobile-Top.

Description: Patent for "new and useful improvements in Automobile-Tops." (lines 5-6) and is related to "tops of automobiles having two or more seats." (lines 9-10) includes illustrations.
Date: March 2, 1920
Creator: Stewart, Henry W.

Broom-Holder.

Description: Patent for a holder for suspending a broom by its head in an inverted position. Primarily a bracket designed to be secured against a wall or the back of a door.
Date: December 24, 1918
Creator: Veach, Dewey M.

Antifriction Hollow-Tube Sucker-Rod for Deep Wells

Description: Patent for a "simple and inexpensive means for coupling the tubular sections of the sucker rod together and guiding said rod with little or no friction into the well casing or tube" (lines13-17). This object is to be used in "pumping water, oil, and other liquids from deep wells"(lines 11-12).
Date: October 15, 1918
Creator: Black, William L.

Cotton-Chopper-Tool-Lifting Mechanism.

Description: Patent for a "hand and footlifting mechanism capable of independent operation whereby either the hand or the foot operations may be performed, and the tools or hoes either lifted without disturbing their fixed adjustment or their elevation adjusted as desired," (lines 14-20) including illustrations.
Date: January 8, 1918
Creator: East, Arthur R.
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