UNT Libraries Government Documents Department - 9 Matching Results

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Car Door Opener.

Patent for a car door opener, making it possible to open a car door without using a hammer or injuring oneself.

Date: July 31, 1906

Creator: Gibson, Levi D.

Fireproof and Waterproof Paint.

Patent for a fireproof and waterproof paint composed of English resin, pulverized alum, graphite, mineral red, hydrocarbon, gloss oil, and coal tar.

Date: July 26, 1910

Creator: Barnes, James John

Gate

Patent for "enabling a gate to be operated at a distance from either side of it by a person on horseback or in a vehicle" (lines 14-16), with details and illustrations.

Date: July 25, 1902

Creator: Millican, John M.

Patent for a gate-operating mechanism for quickly opening and closing a gate, including farm gates, from either side without the use of springs, including a description of the design and illustrations.

Date: July 15, 1913

Creator: Butler, Joseph F.

Lock-Strike.

Patent for simple and durable lock plates for door frames. This patent is for the keeper plates for door locks and is an invention "for rendering the plate adjustable both vertically and horizontally without detaching the same from the door jamb" (lines 11-14). Includes one illustration page and description.

Date: July 9, 1918

Creator: Russell, Leo

Paint.

Patent for paints for roofs and for barns to prevent leaks and efficient in preserving the material of buildings at a relatively small costs.

Date: July 20, 1920

Creator: Watson, Grover C.

Sling-Shot.

Patent for a sling shot that is more durable, efficient, and less likely to break. Includes instructions and one illustration.

Date: July 13, 1920

Creator: Jones, Ralph L.

Upholstery.

Patent for an improvement in upholstery, more specifically, inflatable type upholstery; includes illustrations.

Date: July 13, 1915

Creator: Dodd, Laura L.

Wire Stretcher and Repairer.

Patent for a new wire stretcher and repairer that stretches and repairs broken telephone, telegraph, or other types of wires and also takes up slack in the line when stringing wires.