UNT Libraries Government Documents Department - 5 Matching Results

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Broadcast Seeder.

Patent for a broadcast seeder designed to "cultivate, plant, and subsequently roll or cover the seed, the elements for accomplishing the same being combined in a single device simply constructed" (lines 10-13).

Date: June 3, 1890

Creator: Callaway, Johnathan Asa

Carpenter's Square.

Patent for a carpenter's square that uses an improved attachment "for laying off bevels at various angles" (lines 15-16).

Date: June 16, 1914

Creator: Buckland, Charles O.

Stove-Lid and Damper

Patent for a stove-lid and damper. Both the lid and damper have innovative spiral openings that can be brought into and out of alignment by rotation of the damper portion, thereby adjusting the size of the opening by which stove temperature can be adjusted.

Date: June 18, 1918

Creator: Parton, Clarence Ernest Stanhope

Tire-Heater.

Patent for a rotary tire-heater that used for and movably supported near a blacksmith's forge, where it can be swung over for use when needed. It economizes time and fuel, and is automatically adjustable.

Date: June 26, 1894

Creator: Callaway, John A.

Windmill.

Patent for an improvement in windmills by providing “a number of converging blades which are arranged to the inner side of a casing, midway between the front and rear series of feathering wings or sails. These blades are arranged at opposite angles to the normal position of the feathering wings or sails. These blades are stationary and serve the purpose of deflecting the wind after it has operated upon the front set of wings or sails and directing it squarely against the rear set of wings or … more

Date: June 16, 1891

Creator: Monday, Robert